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: Metabolism Sum of the physical and chemical changes that take place in living organisms. 
 Hypothesis: The sum of all chemical reactions that take place within an organism is known as metabolism.
entails

Premise: Most birds have four toes. 
 Hypothesis: Birds have four limbs.
neutral

Premise: Maritime air mass An air mass that originates over the ocean. 
 Hypothesis: If an air mass forms over an ocean it is called a maritime air mass.
entails