With no explanation, label text_A→text_B with either "False" or "True".
text_A: Frank felt vindicated when his longtime rival Bill revealed that he was the winner of the competition. The he is more likely to refer to Frank than Bill because Frank was vindicated: therefore he must have one
text_B: In "Frank felt vindicated when his longtime rival Bill revealed that he was the winner of the competition. ", The he is more likely to refer to Frank than Bill because Frank was vindicated: therefore he must have one
True.