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: All but one group of these (the hagfishes) also convert their notochord into a vertebral column or backbone thus qualifying as vertebrates. 
 Hypothesis: Backbone is another name for the vertebral column.

SOLUTION: entails

PROBLEM: Premise: There have been five major extinction events in Earth history, including the one in which dinosaurs disappeared. 
 Hypothesis: There have been five major massive extinctions since life began on earth.

SOLUTION: entails

PROBLEM: Premise: The pupil of the eye is the dark center part or hole that is shaped by the iris and that allows light to enter the eye. 
 Hypothesis: The pupil of the eye allows light to enter.

SOLUTION:
entails