Complex sentence: He denied that any form of torture was involved, insisting that the it was better to "coax" the pig to follow instructions, which would soon respond to the slightest hints of movement from the trainer.
Split into simpler sentences: He denied that any form of torture was involved, insisting that the it was better to "coax" the pig to follow instructions. The animal would soon learn to respond to the slightest hints of movement from the trainer.