{"sentence1": "Alice was dusting the living room and trying to find the button that Mama had hidden. No time today to look at old pictures in her favorite photo album. Today she had to hunt for a button, so she put the album on a chair without even opening it.", "sentence2": "No time today to look at old pictures in Mama's favorite photo album.", "label": 0}

{"sentence1": "Thomson visited Cooper's grave in 1765. At that date he had been dead for five years.", "sentence2": "Cooper had been dead for five years.", "label": 1}

{"sentence1": "Fred is the only man alive who still remembers my father as an infant. When Fred first saw my father, he was twelve months old.", "sentence2": "When Fred first saw my father, My father was twelve months old.", "label": 1}
{"sentence1": "The researchers were studying the effects of climate change on polar bears and their habitats. They knew that the melting of sea ice would have a devastating impact on the ecosystem, but they were more concerned about the bears' ability to adapt to warmer temperatures. As the team leader, Dr. Maria Rodriguez, began to explain the findings, she mentioned that she had been studying the species for over a decade and had seen a significant decline in their population. She then turned to her colleague, Dr. John Taylor, and said, 'He is the leading expert on the subject.'", "sentence2": "Dr. John Taylor is the leading expert on the subject.", "label": 0}