Triple

Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).

Phrase: Eastern Iranian sound changes | Statement: [Scythian languages, hasFeature, Eastern Iranian sound changes]

Target entity: Eastern Iranian sound changes
Context triple: [Scythian languages, hasFeature, Eastern Iranian sound changes]

• A. Indo-European phonology
  Indo-European phonology is the branch of linguistics that reconstructs and analyzes the sound systems and sound changes of the Proto-Indo-European language and its descendant languages.
• B. Neogrammarian hypothesis of sound laws
  The Neogrammarian hypothesis of sound laws is a linguistic principle asserting that phonetic changes in a language occur regularly and without exceptions under the same conditions, forming the basis for systematic historical-comparative linguistics.
• C. High German consonant shift
  The High German consonant shift was a major sound change in early Germanic dialects that transformed the consonant system and helped distinguish High German (and related varieties like Lombardic) from other West Germanic languages.
• D. Old Iranian languages
  Old Iranian languages are the earliest attested branch of the Iranian language family, including ancient tongues such as Avestan and Old Persian used in early Iranian civilizations.
• E. Middle Iranian languages
  Middle Iranian languages are the historically intermediate stage of the Iranian branch of Indo-Iranian, spoken roughly between the 4th century BCE and the 9th century CE and including languages such as Middle Persian, Parthian, and Sogdian.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"

Entity: Eastern Iranian sound changes
Triple: [Scythian languages, hasFeature, Eastern Iranian sound changes]

Eastern Iranian sound changes are a set of characteristic phonological developments that distinguish Eastern Iranian languages from other branches of the Iranian language family.

Target entity: Eastern Iranian sound changes
Target entity description: Eastern Iranian sound changes are a set of characteristic phonological developments that distinguish Eastern Iranian languages from other branches of the Iranian language family.

• A. Indo-European phonology
  Indo-European phonology is the branch of linguistics that reconstructs and analyzes the sound systems and sound changes of the Proto-Indo-European language and its descendant languages.
• B. Neogrammarian hypothesis of sound laws
  The Neogrammarian hypothesis of sound laws is a linguistic principle asserting that phonetic changes in a language occur regularly and without exceptions under the same conditions, forming the basis for systematic historical-comparative linguistics.
• C. High German consonant shift
  The High German consonant shift was a major sound change in early Germanic dialects that transformed the consonant system and helped distinguish High German (and related varieties like Lombardic) from other West Germanic languages.
• D. Old Iranian languages
  Old Iranian languages are the earliest attested branch of the Iranian language family, including ancient tongues such as Avestan and Old Persian used in early Iranian civilizations.
• E. Middle Iranian languages
  Middle Iranian languages are the historically intermediate stage of the Iranian branch of Indo-Iranian, spoken roughly between the 4th century BCE and the 9th century CE and including languages such as Middle Persian, Parthian, and Sogdian.
• F. None of above. chosen