A doctor checks on his medical equipment.
A dog in a lab coat.
A doctor and a Dog are two different species
exists s1 x1 x2 x3.(a_topic(x1) & on(x1,x3) & n_equipment(x3) & a_medical(s1) & Theme(s1,x3) & of(x3,x1) & n_male(x1) & n_check(x1) & of(x1,x2) & n_doctor(x2))
exists x1 x2 x3.(a_topic(x1) & in(x1,x2) & n_coat(x2) & of(x2,x3) & n_lab(x3) & n_dog(x1))