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 understand him. The he is more likely to refer to Mark than Sid because  he is the only one who was able to understand Sid's thoughts.
text_B: In "Sid explained his theory to Mark but he couldn't understand him. ", The he is more likely to refer to Mark than Sid because  he is the only one who was able to understand Sid's thoughts.
True.