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'.

Example Input: Premise: This blood vessel constriction in the heart can cause decreased blood flow to the heart, which causes chest pain. 
 Hypothesis: Blood flow decrease when blood vessels constrict.
Example Output: entails

Example Input: Premise: The cave populations have retained the capacity to produce fertile offspring with surface fish and are considered to be the same species (Avise and Selander, 1972). 
 Hypothesis: If two populations do not mate and produce fertile offspring, separate species result.
Example Output: neutral

Example Input: Premise: Tricuspid valve One of the four valves within the heart, this three cusped valve separates the right atrium from the right ventricle. 
 Hypothesis: There are four valves in the heart.
Example Output:
entails