Definition: In this task, you will be presented with a premise and a hypothesis sentence. Determine whether the hypothesis sentence entails (implies), contradicts (opposes), or is neutral with respect to the given premise sentence. Please answer with "Contradiction", "Neutral", or "Entailment".
Input: Premise: Forward Operating Base Delhi massacre are murders that occurred on August 10, 2012 at the Forward Operating Base Delhi within Garmsir village, Helmand Province, Afghanistan. A young man, who had been allowed to live on the base, killed three unarmed US Marines and one marine was also severely injured. <sep> Hypothesis: The killer of the US Marines was not a US Marine, himself.

Entailment