Given the task definition and input, reply with output. 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".

Premise: Kurt Donald Cobain (February 20, 1967 April 5, 1994) was an American musician, artist, singer, songwriter, guitarist and poet. Born in Aberdeen, Washington, Cobain formed the band Nirvana with Krist Novoselic in 1987 and established it as part of the Seattle music scene and grunge genre. Nirvana's debut album "Bleach" was released on the independent record label Sub Pop in 1989. <sep> Hypothesis: Cobain formed Nirvana when he was twenty years old
Entailment