sentences: a snowshoe hare's fur is brown during summer
docs: snow_sheep is mammal. arctic is hare. snowshoe_hare is mammal. snow_flea is animal. snowshoe_hare is hare. snow_plant is wildflower. snow_in_summer is mouse_ear_chickweed. snow_sheep is sheep. mountain_hare is mammal. black_tailed_deer is mule_deer.