TASK DEFINITION: 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'.
PROBLEM: Premise: Pollutants are classified as primary or secondary. 
 Hypothesis: Ash that enters the air naturally as a result of a volcano eruption is classified as a primary pollutant.

SOLUTION: neutral

PROBLEM: 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.

SOLUTION: neutral

PROBLEM: Premise: Geysers form when hot water erupts to the surface. 
 Hypothesis: Geysers are created when water is heated beneath the earth's surface.

SOLUTION:
entails