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.

Sentence 1: Many species of birds in new england fly south for the winter months to find an environment with more food. Sentence 2: When the weather begins to cool off in the fall, the birds fly south to find warm winter weather and plenty of food.
entails

Sentence 1: The pupil of the eye allows light to enter. Sentence 2: The pupil is the opening through which light enters the eye.
entails

Sentence 1: Symptoms of viral diseases result from a(n) immune response to a virus. Sentence 2: The symptoms of the common cold are believed to be mostly related to the immune response to the virus.

entails