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'.

[Q]: Premise: This blood vessel constriction in the heart can cause decreased blood flow to the heart, which causes chest pain. 
 Hypothesis: Blood flow decrease when blood vessels constrict.
[A]: entails


[Q]: Premise: The right atrium receives blood return from the body ( systemic ) under low pressure, pumps the blood into the right ventricle under low pressure which then pumps blood under slightly higher pressure to the lungs. 
 Hypothesis: Blood from the body enters right atrium of the heart before it is pumped to the right ventricle and then to the lungs.
[A]: entails


[Q]: Premise: Air pollution from cars and trucks is split into primary and secondary pollution. 
 Hypothesis: Ash that enters the air naturally as a result of a volcano eruption is classified as a primary pollutant.
[A]:
neutral