With no explanation, label text_A→text_B with either "False" or "True".
text_A: They broadcast an announcement, but a subway came into the  station and I couldn't hear it . The it is more likely to refer to The announcement than a subway because the subway would be louder than the announcement
text_B: In "They broadcast an announcement, but a subway came into the  station and I couldn't hear it . ", The it is more likely to refer to The announcement than a subway because the subway would be louder than the announcement
True.