{"sentence1": "Fred watched TV while George went out to buy groceries. After an hour he got up.", "sentence2": "Fred got up.", "label": 1}

{"sentence1": "Frank felt vindicated when his longtime rival Bill revealed that he was the winner of the competition.", "sentence2": "Frank was the winner of the competition.", "label": 1}

{"sentence1": "The sun was covered by a thick cloud all morning, but luckily, by the time the picnic started, it was gone.", "sentence2": "The cloud was gone.", "label": 1}
{"sentence1": "The teacher asked the student to bring his laptop to class, but unfortunately, by the time the lesson started, he had forgotten it at home.", "sentence2": "The student had forgotten his laptop at home.", "label": 1}