Complex sentence: In hilly or mountainous regions, two methods were used to hunt sloth bears there: one was to lie in wait above the bear's lair at dawn and wait for the bear to return from its nocturnal foraging.
Split into simpler sentences: In hilly or mountainous regions, two methods were used to hunt them there. One was to lie in wait above the bear's lair at dawn and wait for the bear to return from its nocturnal foraging.