Several people are watching a snowboarder with a blue jacket jump.
The snowboarder is at the beach.
A snowboarder can not be at the beach while people are watching them jump.
exists e1 s1 s2 x1 x2 x3 x4.(with(e1,x3) & n_jump(x3) & of(x3,x4) & n_jacket(x4) & a_blue(s2) & Theme(s2,x3) & Theme(e1,x2) & Actor(e1,x1) & v_watch(e1) & n_snowboarder(x2) & n_people(x1) & a_several(s1) & Theme(s1,x1))
exists p1 x1 x2.(n_beach(x2) & n_snowboarder(x1) & at(x1,x2))