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: Allen's rule | Statement: [Joel Asaph Allen, knownFor, Allen's rule]

Target entity: Allen's rule
Context triple: [Joel Asaph Allen, knownFor, Allen's rule]

• A. Gloger’s rule
  Gloger’s rule is an ecogeographical principle stating that endothermic animals in more humid, warmer climates tend to have darker pigmentation than those in cooler, drier regions.
• B. Bergmann
  Bergmann is a German-language surname borne by numerous notable individuals across fields such as science, philosophy, and the arts.
• C. Cope’s rule
  Cope’s rule is an evolutionary hypothesis proposing that animal lineages tend to increase in body size over geological time.
• D. Kleiber
  Kleiber is a German surname most famously associated with Carlos Kleiber, one of the 20th century’s most acclaimed orchestral conductors.
• E. Osthoff's law
  Osthoff's law is a sound change in Indo-European linguistics describing the shortening of long vowels before resonant consonants followed by another consonant.
• 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: Allen's rule
Triple: [Joel Asaph Allen, knownFor, Allen's rule]

Allen's rule is a biological principle stating that endothermic animals in colder climates tend to have shorter limbs and appendages than those in warmer climates to minimize heat loss.

Target entity: Allen's rule
Target entity description: Allen's rule is a biological principle stating that endothermic animals in colder climates tend to have shorter limbs and appendages than those in warmer climates to minimize heat loss.

• A. Gloger’s rule
  Gloger’s rule is an ecogeographical principle stating that endothermic animals in more humid, warmer climates tend to have darker pigmentation than those in cooler, drier regions.
• B. Bergmann
  Bergmann is a German-language surname borne by numerous notable individuals across fields such as science, philosophy, and the arts.
• C. Cope’s rule
  Cope’s rule is an evolutionary hypothesis proposing that animal lineages tend to increase in body size over geological time.
• D. Kleiber
  Kleiber is a German surname most famously associated with Carlos Kleiber, one of the 20th century’s most acclaimed orchestral conductors.
• E. Osthoff's law
  Osthoff's law is a sound change in Indo-European linguistics describing the shortening of long vowels before resonant consonants followed by another consonant.
• F. None of above. chosen