With no explanation, label text_A→text_B with either "entailment", "neutral" or "contradiction".
text_A: He played professionally in the American Football League for the San Diego Chargers in 1968 and for the Cincinnati Bengals 1968-1969.
text_B: He played professionally in the American Football League for the San Diego Chargers in 1969 and for the Cincinnati Bengals 1968-1969.
contradiction.