instruction:
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'.
question:
Premise: Stress damage results from air pollution, noise, water pollutants, processed foods, drugs and medication of all kinds. 
 Hypothesis: Ash that enters the air naturally as a result of a volcano eruption is classified as a primary pollutant.
answer:
neutral


question:
Premise: Carbon dioxide is CO 2 , which means there is one atom of carbon and two atoms of oxygen in the molecule. 
 Hypothesis: Carbon dioxide molecules consist of a central carbon atom bonded to two oxygen atoms.
answer:
entails


question:
Premise: Your heart valves (bicuspid and tricuspid) are essentially check valves that prevent backflow to the atria from the ventricles, forcing the fluid (that's blood) to circulate. 
 Hypothesis: Heart valves prevent the backflow of blood from happening in the heart.
answer:
entails