{"sentence1": "John promised Bill to leave, so an hour later he left.", "sentence2": "John left.", "label": 1}

{"sentence1": "This book introduced Shakespeare to Ovid; it was a major influence on his writing.", "sentence2": "It was a major influence on Shakespeare's writing.", "label": 1}

{"sentence1": "During a game of tag, Ethan ran from Luke because he was \"it\".", "sentence2": "Luke was \"it\".", "label": 1}
{"sentence1": "The smartphone's battery life was a major concern for the tech reviewer, so she decided to test it with a power-hungry app.", "sentence2": "She decided to test the smartphone with a power-hungry app.", "label": 1}