The boy is performing a trick on a red rail with a skateboard.
He boy is sleeping in bed
He cannot be performing a trick if he is sleeping.
exists e1 s1 x1 x2 x3 x4.(n_boy(x1) & on(e1,x3) & with(x3,x4) & n_skateboard(x4) & n_rail(x3) & a_red(s1) & Theme(s1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_perform(e1) & n_trick(x2))
exists e1 x1 x2.(in(e1,x1) & n_bed(x1) & Actor(e1,x1) & v_sleep(e1) & Time(x1,x2) & n_boy(x2) & n_male(x1))