Complex sentence: The people of Kopaonik mountain believed the local ala defended the crops of the area where she lived from other ale; if hail destroyed the crops, it was thought that an ala from another area had defeated the local ala and "drunk the crops".
Split into simpler sentences: The people of Kopaonik mountain believed the local ala defended the crops of the area where she lived from other ale. If hail destroyed the crops, it was thought that an ala from another area had defeated the local ala and "drunk the crops".