{"sentence1": "The sun was covered by a thick cloud all morning, but luckily, by the time the picnic started, it was gone.", "sentence2": "The sun was gone.", "label": 0}

{"sentence1": "It is not easy to space buttonholes exactly the same distance apart, and it is very difficult to cut them precisely the right size. The tiniest slip of the scissors will make the hole too large, and even one thread uncut will leave it too small.", "sentence2": "Even one thread uncut will leave the hole too small.", "label": 1}

{"sentence1": "My meeting started at 4:00 and I needed to catch the train at 4:30, so there wasn't much time. Luckily, it was delayed, so it worked out.", "sentence2": "The meeting was delayed, so it worked out.", "label": 0}
{"sentence1": "Historians have long debated whether the Mongol invasion of Eastern Europe was primarily driven by economic interests or a desire for territorial expansion. As a result, many of them believe that it was this factor that allowed the Mongols to conquer such a vast area in a relatively short period of time.", "sentence2": "The factor was a desire for territorial expansion.", "label": 0}