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'.

Input: Consider Input: Premise: These are valves at the two exits of the heart that prevent backflow into the ventricles. 
 Hypothesis: Heart valves prevent the backflow of blood from happening in the heart.

Output: entails


Input: Consider Input: Premise: An herbivore is an animal that eats only plants and no meat. 
 Hypothesis: Herbivores are heterotrophs that eat only or mainly plants.

Output: entails


Input: Consider Input: Premise: The amount of energy in food is measured in calories. 
 Hypothesis: A calorie is used to express the amount of energy in food.
Output: entails