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.

[Q]: 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.
[A]: entails

[Q]: Sentence 1: Carbon has four valence electrons . Sentence 2: The four valence electrons of each carbon atom participate in the formation of very strong covalent bonds.
[A]: entails

[Q]: Sentence 1: Space is beyond the atmosphere. Sentence 2: A telescope in space is above Earth's atmosphere.
[A]:
neutral