With no explanation, label text_A→text_B with either "False" or "True".
text_A: Sid explained his theory to Mark but he couldn't convince him. The he is more likely to refer to Sid than Mark because mark was not convince by sid explanation
text_B: In "Sid explained his theory to Mark but he couldn't convince him. ", The he is more likely to refer to Sid than Mark because mark was not convince by sid explanation
True.