{"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 researchers studied the effects of climate change on polar bears, but they were unable to find any conclusive evidence to support their claims because the ice was melting too quickly.", "sentence2": "The researchers were unable to find any conclusive evidence to support their claims.", "label": 1}