a kid doing tricks on the wall with his bmx bike
A kid doing ticks on a half-pipe with his skateboard.
Wall and half-pipe are different place. Bike and skateboard are different things.
exists e1 x1 x2 x3 x4 x5 x6.(n_bike(x5) & of(x5,x6) & n_bmx(x6) & of(x5,x4) & n_male(x4) & n_wall(x4) & a_topic(x1) & with(e1,x5) & on(e1,x4) & Theme(e1,x3) & Actor(e1,x2) & v_do(e1) & n_trick(x3) & (x1 = x2) & n_kid(x1))
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & with(e1,x5) & n_skateboard(x5) & of(x5,x1) & n_male(x1) & on(e1,x4) & n_half-pipe(x4) & Theme(e1,x3) & Actor(e1,x2) & v_do(e1) & n_tick(x3) & (x1 = x2) & n_kid(x1))