Someone riding sideways on a motorcycle.
The person is laying in his bedroom.
The person can't be riding a motorcycle while laying in his bedroom.
exists e1 x1 x2.(on(e1,x2) & n_motorcycle(x2) & Actor(e1,x1) & v_sideway(e1) & n_riding(x1))
exists e1 x1 x2.(n_bedroom(x2) & of(x2,x1) & n_male(x1) & n_person(x1) & in(e1,x2) & Actor(e1,x1) & v_lay(e1))