sentences: an arctic hare's fur turns white in the winter
docs: desert_hare is mammal. alaskan_hare is mammal. arctic is hare. arctic_fox is mammal. snowshoe_hare is mammal. polar_hare is hare. snowshoe_hare is hare. male_ostriches has black_and_white_feathers mountain_hare is mammal. arctic_wolf is mammal.