In this task, you are given two statements. The task is to output whether a given textual premise, i.e. Statement 2, entails or implies a given scientific fact, i.e. Statement 1. The output should be 'entails' if Statement 2 supports Statement 1 and should be 'neutral' otherwise.
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Question: Sentence 1: Copper oxide substance is created when a copper turns from reddish brown to greenish brown. Sentence 2: The most common form of goldstone is reddish-brown, containing tiny crystals of metallic copper that require special conditions to form properly.

Answer: neutral


Question: Sentence 1: When blood vessels in the head dilate, a migraine, a severe headache, can occur. Sentence 2: During the headache phase of a migraine attack, there is dilation of the blood vessels surrounding the cerebral nerve endings.

Answer: entails


Question: Sentence 1: Monotreme kind of mammalian reproduction is risky for the offspring but not the mother. Sentence 2: Monotremes, such as the echidna, retain some reptilian features alongside their mammalian ones.

Answer:
neutral