With no explanation, label text_A→text_B with either "False" or "True".
text_A: The sun was covered by a thick cloud all morning, but luckily, by the time the picnic started, it was gone. The it is more likely to refer to a thick cloud than The sun because A thick cloud was covered  the sun at every morning
text_B: In "The sun was covered by a thick cloud all morning, but luckily, by the time the picnic started, it was gone. ", The it is more likely to refer to a thick cloud than The sun because A thick cloud was covered  the sun at every morning
True.