With no explanation, label text_A→text_B with either "entailment", "neutral" or "contradiction".
text_A: Life on Mars is a British television drama series, produced by Kudos Film & Television for the BBC in 2006 and 2007.
text_B:  Life on Mars  is a British television drama series, produced by Kudos Film & Television for the BBC in 2006.
entailment.