A young man snowboarding at night is midair doing a trick off a homemade ski jump.
A young man is sleeping.
The young man cannot be snowboarding and sleeping at the same time.
exists e2 e1 p1 s1 x1 x2 x3.(exists e3 x4 x5 x6 x7.(Theme(e3,x4) & Actor(e3,x1) & v_do(e3) & off(x4,x5) & n_jump(x5) & of(x5,x7) & n_ski(x7) & of(x5,x6) & n_homemade(x6) & n_trick(x4)) & Topic(e2,p1) & Actor(e2,x1) & v_midair(e2) & at(e1,x3) & n_night(x3) & Actor(e1,x2) & v_snowboard(e1) & (x1 = x2) & n_man(x1) & a_young(s1) & Theme(s1,x1))
exists e1 s1 x1.(Actor(e1,x1) & v_sleep(e1) & n_man(x1) & a_young(s1) & Theme(s1,x1))