sentences: hunting decreases animal populations
docs: whaling is hunting. patroling is action_performed_by_animals. hunting is action_performed_by_animals. while_hunting_animals is important_not_to_scare_animals. one_method_of_hunting is shoot_animals_with_guns. predation is hunt. deer_hunting is hunt. hunting is outdoor_activity. hunting_animals is foraging. hunting_ground is opportunity.