Brown dog on a leash is sniffing the ground in a field of grass.
The dog is sleeping.
The dog can't be sniffing and sleeping at the same time.
exists e1 s1 x1 x2 x3 x4 x5.(n_ground(x3) & Theme(e1,x3) & Actor(e1,x1) & v_sniff(e1) & in(x3,x4) & of(x4,x5) & n_grass(x5) & n_field(x4) & on(x1,x2) & n_leash(x2) & n_dog(x1) & a_brown(s1) & Theme(s1,x1))
exists e1 x1.(n_dog(x1) & Actor(e1,x1) & v_sleep(e1))