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: San Ysidro Mountains | Statement: [Otay River, sourceRegion, San Ysidro Mountains]

Target entity: San Ysidro Mountains
Context triple: [Otay River, sourceRegion, San Ysidro Mountains]

• A. San Emigdio Mountains
  The San Emigdio Mountains are a rugged mountain range in Southern California forming part of the southern edge of the San Joaquin Valley and the western end of the Transverse Ranges.
• B. Rincon Mountains
  The Rincon Mountains are a rugged mountain range in southern Arizona that form part of Saguaro National Park and rise prominently to the east of Tucson.
• C. Orocopia Mountains
  The Orocopia Mountains are a rugged, arid mountain range in Southern California known for their desert landscapes, geological diversity, and proximity to the San Andreas Fault.
• D. Socorro Mountains
  The Socorro Mountains are a rugged mountain range in central New Mexico known for their volcanic geology and proximity to the Rio Grande Rift.
• E. Raton Mountains
  The Raton Mountains are a volcanic-origin mountain range in southern Colorado and northern New Mexico, forming a key segment of the Sangre de Cristo Mountains and a major geographic gateway between the Great Plains and the Rocky Mountains.
• 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: San Ysidro Mountains
Triple: [Otay River, sourceRegion, San Ysidro Mountains]

The San Ysidro Mountains are a small, rugged mountain range in southern San Diego County, California, near the U.S.–Mexico border, known for their chaparral-covered slopes and role in the region’s watershed.

Target entity: San Ysidro Mountains
Target entity description: The San Ysidro Mountains are a small, rugged mountain range in southern San Diego County, California, near the U.S.–Mexico border, known for their chaparral-covered slopes and role in the region’s watershed.

• A. San Emigdio Mountains
  The San Emigdio Mountains are a rugged mountain range in Southern California forming part of the southern edge of the San Joaquin Valley and the western end of the Transverse Ranges.
• B. Rincon Mountains
  The Rincon Mountains are a rugged mountain range in southern Arizona that form part of Saguaro National Park and rise prominently to the east of Tucson.
• C. Orocopia Mountains
  The Orocopia Mountains are a rugged, arid mountain range in Southern California known for their desert landscapes, geological diversity, and proximity to the San Andreas Fault.
• D. Socorro Mountains
  The Socorro Mountains are a rugged mountain range in central New Mexico known for their volcanic geology and proximity to the Rio Grande Rift.
• E. Raton Mountains
  The Raton Mountains are a volcanic-origin mountain range in southern Colorado and northern New Mexico, forming a key segment of the Sangre de Cristo Mountains and a major geographic gateway between the Great Plains and the Rocky Mountains.
• F. None of above. chosen