With no explanation, label text_A→text_B with either "entailment", "neutral" or "contradiction".
text_A: He had a renowned backhand and enjoyed a long career at the highest levels from the early 1950s to the early 1970s.
text_B: He had a renowned backhand and enjoyed a long career at the highest levels from the early 19501 to the early 1970s.
contradiction.