In this task, you are given two statements. The task is to output whether a given textual premise, i.e. Statement 2, entails or implies a given scientific fact, i.e. Statement 1. The output should be 'entails' if Statement 2 supports Statement 1 and should be 'neutral' otherwise.

Ex Input:
Sentence 1: Ocean waves are mainly caused by wind. Sentence 2: Waves are caused mainly by winds which, in turn, are caused by uneven heating over the earth's surface.

Ex Output:
entails


Ex Input:
Sentence 1: Lying with their mouths open, a behavior called gaping, probably serves the function of cooling down for crocodiles. Sentence 2: Gaping with the mouth can provide cooling by evaporation from the mouth lining.

Ex Output:
entails


Ex Input:
Sentence 1: Heart valves prevent the backflow of blood from happening in the heart. Sentence 2: These valves open and close depending on the phase of the heart beat to allow the blood to flow from one chamber of the heart  to another and to prevent the backflow of blood.

Ex Output:

entails