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: 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


Question: Premise: All mammals have four limbs. 
 Hypothesis: All mammals have four limbs.

Answer: entails


Question: Premise: A cation is an atom that has lost an electron and has a positive charge; an anion is an atom that has gained an electron and has a negative charge. 
 Hypothesis: Electrons always result in an anion that is larger than the parent atom.

Answer:
neutral