Given the task definition and input, reply with output. 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: The atomic weight (or atomic mass) of an atom is the combined number of its protons and neutrons. 
 Hypothesis: To determine the atomic weight of an element, you should add up protons and neutrons.
entails