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'.
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Question: Premise: The smooth flagellum, angled posteriorly, is shorter, and attaches to substrates in non-motile cells, but trails behind in motile cells. 
 Hypothesis: In humans, the sperm cell is the only cell with the  flagella structure that enables motility.

Answer: neutral


Question: Premise: The greater the density becomes, the more vigorously the limiting factors slows down population growth and then gradually the density approaches the carrying capacity of the environment. 
 Hypothesis: Humans are unique in their ability to alter their environment with the conscious purpose of increasing carrying capacity, which acts as a limiting factor on populations in general.

Answer: neutral


Question: Premise: Because electrons have a negative charge, atoms stripped of them become positively charged ions. 
 Hypothesis: Atoms that have gained electrons and become negatively charged are called negative ions.

Answer:
neutral