A snowboarder is attempting a trick down an outside railing.
the man is at the skateboard park
A snowboarder would not be attempting a trick at a skateboard park.
exists e1 s1 x1 x2 x3.(down(e1,x3) & n_railing(x3) & a_outside(s1) & Theme(s1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_attempt(e1) & n_trick(x2) & n_snowboarder(x1))
exists p1 x1 x2 x3.(n_park(x2) & of(x2,x3) & n_skateboard(x3) & n_man(x1) & at(x1,x2))