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: Mammutidae | Statement: [Proboscidea, includesExtinctFamily, Mammutidae]

Target entity: Mammutidae
Context triple: [Proboscidea, includesExtinctFamily, Mammutidae]

• A. Trichechidae
  Trichechidae is a family of large, fully aquatic herbivorous mammals commonly known as manatees, found in warm coastal and freshwater habitats.
• B. Rhinocerotidae
  Rhinocerotidae is the biological family of large, thick-skinned, horned mammals commonly known as rhinoceroses, native to Africa and Asia.
• C. Giraffidae
  Giraffidae is a family of long-necked, even-toed ungulate mammals that includes giraffes and okapis.
• D. Conirostrum
  Conirostrum is a genus of small Neotropical songbirds known as cone-billed tanagers, characterized by their slender, pointed bills and association with the tanager family.
• E. Rhinocryptidae
  Rhinocryptidae is a family of small, often ground-dwelling passerine birds from Central and South America, commonly known as tapaculos, noted for their secretive behavior and loud, distinctive songs.
• 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: Mammutidae
Triple: [Proboscidea, includesExtinctFamily, Mammutidae]

Mammutidae is an extinct family of proboscidean mammals that includes the mastodons, prehistoric relatives of modern elephants known from the late Miocene to the Pleistocene.

Target entity: Mammutidae
Target entity description: Mammutidae is an extinct family of proboscidean mammals that includes the mastodons, prehistoric relatives of modern elephants known from the late Miocene to the Pleistocene.

• A. Trichechidae
  Trichechidae is a family of large, fully aquatic herbivorous mammals commonly known as manatees, found in warm coastal and freshwater habitats.
• B. Rhinocerotidae
  Rhinocerotidae is the biological family of large, thick-skinned, horned mammals commonly known as rhinoceroses, native to Africa and Asia.
• C. Giraffidae
  Giraffidae is a family of long-necked, even-toed ungulate mammals that includes giraffes and okapis.
• D. Conirostrum
  Conirostrum is a genus of small Neotropical songbirds known as cone-billed tanagers, characterized by their slender, pointed bills and association with the tanager family.
• E. Rhinocryptidae
  Rhinocryptidae is a family of small, often ground-dwelling passerine birds from Central and South America, commonly known as tapaculos, noted for their secretive behavior and loud, distinctive songs.
• F. None of above. chosen

Target predicate: includesExtinctFamily
Context triple: [Proboscidea, includesExtinctFamily, Mammutidae]

• A. includesExtinctGenera
  Indicates that the referenced taxonomic group or set contains one or more genera that are extinct.
• B. hasExtinctMembers
  Indicates that at least some members of the referenced group, class, or category are no longer living or existing.
• C. includesExtinctStemGroups
  Indicates that the referenced group or clade is defined so broadly that it also contains stem lineages that are entirely extinct, not just living descendant lineages.
• D. hasExtinctSubspecies
  Indicates that an entity has at least one subspecies that is extinct.
• E. hasExtinctSpecies
  Indicates that at least one species associated with the subject entity is no longer extant (i.e., has gone extinct).
• F. None of above. chosen