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: Opisthobranchia (historical concept) | Statement: [Heterobranchia, supercladeOf, Opisthobranchia (historical concept)]

Target entity: Opisthobranchia (historical concept)
Context triple: [Heterobranchia, supercladeOf, Opisthobranchia (historical concept)]

• A. Heterobranchia
  Heterobranchia is a major and diverse clade of gastropod mollusks that includes many sea slugs, land snails, and related groups characterized by varied body forms and often reduced or internalized shells.
• B. Vetigastropoda
  Vetigastropoda is a major clade of mostly marine gastropod mollusks that includes many primitive sea snails characterized by often nacreous shells and distinctive anatomical features.
• C. Neogastropoda
  Neogastropoda is a large and diverse order of predominantly marine predatory sea snails known for their often elaborately sculptured shells and complex feeding mechanisms.
• D. Conchifera
  Conchifera is a major subphylum of mollusks characterized by typically having a single, often external shell, encompassing classes such as bivalves, gastropods, and cephalopods.
• E. Psocodea
  Psocodea is an order of small, often wingless insects that includes barklice, booklice, and parasitic lice found on birds and mammals.
• 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: Opisthobranchia (historical concept)
Triple: [Heterobranchia, supercladeOf, Opisthobranchia (historical concept)]

Opisthobranchia (historical concept) refers to a former grouping of mostly marine gastropod mollusks, including sea slugs and sea hares, that has been largely abandoned in modern taxonomy in favor of more phylogenetically accurate clades.

Target entity: Opisthobranchia (historical concept)
Target entity description: Opisthobranchia (historical concept) refers to a former grouping of mostly marine gastropod mollusks, including sea slugs and sea hares, that has been largely abandoned in modern taxonomy in favor of more phylogenetically accurate clades.

• A. Heterobranchia chosen
  Heterobranchia is a major and diverse clade of gastropod mollusks that includes many sea slugs, land snails, and related groups characterized by varied body forms and often reduced or internalized shells.
• B. Vetigastropoda
  Vetigastropoda is a major clade of mostly marine gastropod mollusks that includes many primitive sea snails characterized by often nacreous shells and distinctive anatomical features.
• C. Neogastropoda
  Neogastropoda is a large and diverse order of predominantly marine predatory sea snails known for their often elaborately sculptured shells and complex feeding mechanisms.
• D. Conchifera
  Conchifera is a major subphylum of mollusks characterized by typically having a single, often external shell, encompassing classes such as bivalves, gastropods, and cephalopods.
• E. Psocodea
  Psocodea is an order of small, often wingless insects that includes barklice, booklice, and parasitic lice found on birds and mammals.
• F. None of above.