sentences: mitosis element reaching that are different from the child room
docs: element is situation. transition_metal is element. microtubule_connects_to_kinetochore is chemical_reaction. mercury is liquid_at_room_temperature. submetacentric_chromosome is chromosome. nanotube is artifact. microtubule_connects_to_kinetochore is attaching. tonoplast is microscopic_object. nanotube is microscopic_object. spheroidal_surface is spatial_thing.