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. Please answer with "Contradiction", "Neutral", or "Entailment".
Input: Premise: The Chattenden and Upnor Railway (later known as the Lodge Hill and Upnor Railway) was a narrow gauge railway serving the military barracks and depot at Upnor and associated munitions and training depots. It was built in 1873 as a gauge railway, converted to narrow gauge around 1885, and continued in use until 1961. <sep> Hypothesis: The Chattenden and Upnor Railway was built more than 5000 days ago.

Entailment