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: Silyl enol ethers in organic chemistry are a class of organic compounds that share a common functional group composed of an enolate bonded through its oxygen terminus to an organosilicon group. 
 Hypothesis: An ether is an organic compound in which two hydrocarbon groups are bonded to the same  oxygen atom.

Answer: neutral


Question: Premise: This rod-like strucxture is the notochord, the progenitor of the backbone or vertebral column. 
 Hypothesis: Backbone is another name for the vertebral column.

Answer: entails


Question: Premise: RESPIRATORY EMBRYOLOGY The lower respiratory system (from the pharynx down) develops during week 4 (26-27 days) starts as a median laryngotracheal groove (The Developing Human, 6th ed., p. 260, fig. 
 Hypothesis: The development of the respiratory system in the fetus begins at about 4 weeks.

Answer:
entails