A person in a green shirt carries a container on his head.
A person is sleeping.
A person cannot carry a container and be sleeping at the same time.
exists e1 s1 x1 x2 x3 x4.(Theme(e1,x3) & Actor(e1,x1) & v_carry(e1) & on(x3,x4) & n_head(x4) & of(x4,x1) & n_male(x1) & n_container(x3) & in(x1,x2) & n_shirt(x2) & a_green(s1) & Theme(s1,x2) & n_person(x1))
exists e1 x1.(Actor(e1,x1) & v_sleep(e1) & n_person(x1))