A snowboarder jumping off a tall brick building.
A snowboarder doing tricks in a halfpipe.
One cannot be doing tricks in a halfpipe.while off atall building
exists e1 s1 s2 x1 x2 x3 x4.(a_topic(x1) & a_off(s2) & Manner(e1,s2) & Theme(e1,x3) & Actor(e1,x2) & v_jump(e1) & n_building(x3) & of(x3,x4) & n_brick(x4) & a_tall(s1) & Theme(s1,x3) & (x1 = x2) & n_snowboarder(x1))
exists e1 x1 x2 x3 x4.(a_topic(x1) & in(e1,x4) & n_halfpipe(x4) & Theme(e1,x3) & Actor(e1,x2) & v_do(e1) & n_trick(x3) & (x1 = x2) & n_snowboarder(x1))