{ "v_bXdq2zI1Ms0": { "duration": 73.1, "timestamps": [ [6.94, 69.08], [37.28, 43.49], [43.13, 55.55] ], "sentences": ["Three men are standing on a mat.", " The man in front begins to do karate on the mat.", " He gets down on the ground and flips around."] }, "v_CN01Gm2Yc4k": { "duration": 17.56, "timestamps": [ [0, 5], [5, 12.2], [12.2, 17.56] ], "sentences": ["A young lady is gripping a black and silver punching bag between her legs.", "Once she has secured herself on the bag,she begins doing a set of crunches by pulling herself up.", "In between the crunches,she sits up and makes punches out into the air,before going back down."] } }