With no explanation, label text_A→text_B with either "entailment", "neutral" or "contradiction".
text_A: The Green Hornet is an American radio adventure series that debuted in 1936 and introduced the character of the Green Hornet, a masked vigilante.
text_B: The Green Hornet is an American radio adventure series that debuted in 1937 and introduced the character of the Green Hornet, a masked vigilante.
contradiction.