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'.

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.
entails

Premise: Covered are the laws of thermodynamics, flow of energy, cycling of matter, food chains, and abiotic-producer-consumer-decomposer cycle. 
 Hypothesis: Food chains carry energy from producers to consumers.
neutral

Premise: Spiders have 4 pairs of legs, and two body segments. 
 Hypothesis: Arachnids have 4 pairs of legs.

entails