With no explanation, label text_A→text_B with either "False" or "True".
text_A: This morning, Joey built a sand castle on the beach, and put a toy flag in the highest tower, but this afternoon the tide  knocked it down. The it is more likely to refer to A sand castle than a toy flag because  it is the only sand castle on the beach.
text_B: In "This morning, Joey built a sand castle on the beach, and put a toy flag in the highest tower, but this afternoon the tide  knocked it down. ", The it is more likely to refer to A sand castle than a toy flag because  it is the only sand castle on the beach.
True.