sentences: starvation can decrease animal population
docs: starvation is privation. starving_event is animal. starvation is hunger. starvation is painful_way_to_die. casualty is decrease. food has effect_of_suppressing_hunger starvation is disease. case_of_starvation is action_performed_by_animals. starvation is horrible_thing. hunger is physiological_attribute_of_animals.