A snowboarder is attempting a trick down an outside railing.
a snowboarder is in good athletic shape
A snowboarder attempting a trick does not imply that the snowboarder is in good athletic shape.
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.(exists s1 s2 x2.(in(x1,x2) & n_shape(x2) & a_athletic(s2) & Theme(s2,x2) & a_good(s1) & Theme(s1,x2)) & n_snowboarder(x1))