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: Metriacanthosauridae | Statement: [Carnosauria, subtaxon, Metriacanthosauridae]

Target entity: Metriacanthosauridae
Context triple: [Carnosauria, subtaxon, Metriacanthosauridae]

• A. Megalosauroidea
  Megalosauroidea is a clade of large-bodied theropod dinosaurs that includes some of the earliest major predatory lineages, such as Megalosaurus and Spinosaurus and their close relatives.
• B. Carnosauria
  Carnosauria is a clade of large, typically bipedal predatory dinosaurs that includes formidable Jurassic and Cretaceous hunters such as Allosaurus and Giganotosaurus.
• C. Herrerasauria
  Herrerasauria is a group of early, primitive predatory dinosaurs from the Late Triassic that are among the oldest known representatives of the theropod lineage.
• D. Thescelosauridae
  Thescelosauridae is a family of small to medium-sized, herbivorous ornithischian dinosaurs known from the Late Cretaceous of North America and Asia.
• E. Dicraeosaurus
  Dicraeosaurus was a relatively small, short-necked sauropod dinosaur from the Late Jurassic of East Africa, notable for its distinctive bifurcated neural spines along the neck and back.
• 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: Metriacanthosauridae
Triple: [Carnosauria, subtaxon, Metriacanthosauridae]

Metriacanthosauridae is a family of large, carnivorous theropod dinosaurs known for their moderately tall neural spines and mid-to-late Jurassic to early Cretaceous fossil record, primarily in Asia and Europe.

Target entity: Metriacanthosauridae
Target entity description: Metriacanthosauridae is a family of large, carnivorous theropod dinosaurs known for their moderately tall neural spines and mid-to-late Jurassic to early Cretaceous fossil record, primarily in Asia and Europe.

• A. Megalosauroidea
  Megalosauroidea is a clade of large-bodied theropod dinosaurs that includes some of the earliest major predatory lineages, such as Megalosaurus and Spinosaurus and their close relatives.
• B. Carnosauria
  Carnosauria is a clade of large, typically bipedal predatory dinosaurs that includes formidable Jurassic and Cretaceous hunters such as Allosaurus and Giganotosaurus.
• C. Herrerasauria
  Herrerasauria is a group of early, primitive predatory dinosaurs from the Late Triassic that are among the oldest known representatives of the theropod lineage.
• D. Thescelosauridae
  Thescelosauridae is a family of small to medium-sized, herbivorous ornithischian dinosaurs known from the Late Cretaceous of North America and Asia.
• E. Dicraeosaurus
  Dicraeosaurus was a relatively small, short-necked sauropod dinosaur from the Late Jurassic of East Africa, notable for its distinctive bifurcated neural spines along the neck and back.
• F. None of above. chosen