A dog is leaping through the grass.
A dog is sleeping in his bed.
leaping is not the same as sleeping, grass is not the same as bed
exists e1 x1 x2.(n_grass(x2) & through(e1,x2) & Actor(e1,x1) & v_leap(e1) & n_dog(x1))
exists e1 x1 x2.(in(e1,x2) & n_bed(x2) & of(x2,x1) & n_male(x1) & Actor(e1,x1) & v_sleep(e1) & n_dog(x1))