{"sentence1": "Jane knocked on the door, and Susan answered it. She invited her to come out.", "sentence2": "Susan invited her to come out.", "label": 0}

{"sentence1": "The actress used to be named Terpsichore, but she changed it to Tina a few years ago, because she figured it was too hard to pronounce.", "sentence2": "Tina was too hard to pronounce.", "label": 0}

{"sentence1": "Sam broke both his ankles and he's walking with crutches. But a month or so from now they should be unnecessary.", "sentence2": "The ankles should be unnecessary.", "label": 0}
{"sentence1": "The researchers studied the effects of climate change on polar bears and their habitats, but they were worried that the bears would adapt too quickly to the new environment, so they decided to focus on the impact on the ice instead.", "sentence2": "The researchers decided to focus on the impact on the bears instead.", "label": 0}