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: Tropic and sex two types of hormones regulate mammalian reproduction. Sentence 2: These types of hairs are determined by sex hormones.

A: neutral
****
Q: Sentence 1: Is the heat of reaction for an endothermic reaction is positive. Sentence 2: He wants a reaction, positive or negative.

A: neutral
****
Q: Sentence 1: Vector is a measure that has both size and direction. Sentence 2: A vector is characterized by the fact that it has both a magnitude or size and a direction.

A:
entails
****