Detailed Instructions: 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".
Problem:Premise: KIEV (Reuters) - Kiev has closed five subway stations, mostly in the central part of the Ukrainian capital, after a bomb warning, the subway operator said in a statement. "The stations are closed to passengers and checks are being carried out," it said on Facebook. Kiev is hosting the UEFA Champions League final later on Saturday in which Liverpool will play Real Madrid. <sep> Hypothesis: No one knows why Kiev has closed five subway stations that are mostly located in the central part of the Ukrainian capital.
Solution:
Contradiction