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: The cell membrane consists of two adjacent layers of phospholipids. Sentence 2: The outer and inner cell membranes are composed of a phospholipid bilayer.

A: entails
****
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: Water vapor must lose heat energy before clouds can form. Sentence 2: Clouds, formed by condensed water vapor.

A:
neutral
****