In this task, You are given an open-domain question that can be answered based on factual information. Your task is to provide \*short\* answer (in a few words only) for the given question. The short answer can be one or more entities or it can also be boolean \*yes\* or \*no\*.
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Question: when did the first season of black mirror come out

Answer: December 2011


Question: when does spike tells buffy he loves her

Answer: 14th episode of season 5


Question: when was the printing press invented in europe

Answer:
around 1440