Complex sentence: In the Phase II and Phase III, the finds were 400 bone tools of antler, long bones of deer and cattle; only found in Chirand and at Burzahom, these are inferred mostly as tools used for hunting.
Split into simpler sentences: In the Phase II and Phase III, the finds were 400 bone tools of antler, long bones of deer and cattle. These were found only in Chirand and at Burzahom, and are inferred mostly as tools used for hunting.