A longboarder catches himself before hitting the ground.
A longboarder is pretending to fall.
Catches himself does not imply pretending to fall.
exists e2 e1 x1 x2 x3.(n_ground(x3) & n_male(x2) & before(e1,e2) & Theme(e2,x3) & Actor(e2,x1) & v_hit(e2) & Theme(e1,x2) & Actor(e1,x1) & v_catch(e1) & n_longboarder(x1))
exists e1 p1 x1.(Topic(e1,p1) & Actor(e1,x1) & v_pretend(e1) & exists e2.(Actor(e2,x1) & v_fall(e2)) & n_longboarder(x1))