With no explanation, label text_A→text_B with either "False" or "True".
text_A: It was a summer afternoon, and the dog was sitting in the middle of the lawn. After a while, it got up and moved to a spot under the tree,  because it was hot. The it is more likely to refer to The dog than a spot under the tree because How he moved is probably the dog
text_B: In "It was a summer afternoon, and the dog was sitting in the middle of the lawn. After a while, it got up and moved to a spot under the tree,  because it was hot. ", The it is more likely to refer to The dog than a spot under the tree because How he moved is probably the dog
True.