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'.

Premise: Many species of birds have at least four or five louse species. 
 Hypothesis: Birds have four limbs.
neutral

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.
entails

Premise: Strontium 90, with a half-life of twenty-eight years, is a long-lived isotope. 
 Hypothesis: The long-lived isotopes require thousands of years to decay to a safe level in a nuclear reactor.

neutral