You are given two sentences. You have to find if there is entailment or agreement of the Hypothesis by the Premise. From the given pair of sentences, you should identify if there is enough information in the Premise to support the claim made in the Hypothesis. The Premise may not exactly be the same as Hypothesis. Your task is to return 'entails' if the premise supports hypothesis else return 'neutral'.

[Q]: Premise: Its cells are motile and possess one subterminal sheathed flagellum at each end. 
 Hypothesis: In humans, the sperm cell is the only cell with the  flagella structure that enables motility.
[A]: neutral


[Q]: Premise: In eutherian (placental) mammals, the hemispheres are linked by the corpus callosum, a very large bundle of nerve fibers. 
 Hypothesis: Placental mammals give birth to relatively large fetuses.
[A]: neutral


[Q]: Premise: The interior of the heart contains four chambers and four valves. 
 Hypothesis: There are four valves in the heart.
[A]:
entails