A person is doing a jump with a skateboard on a ramp.
The person iwith the skateboard is on the ramp
Jumps with a skateboard can be performed on a ramp.
exists e1 x1 x2 x3 x4.(Theme(e1,x2) & Actor(e1,x1) & v_do(e1) & on(x2,x4) & n_ramp(x4) & with(x2,x3) & n_skateboard(x3) & n_jump(x2) & n_person(x1))
exists e1 p1 x1 x2 x3 x4.(n_ramp(x4) & n_skateboard(x2) & n_person(x1) & Theme(e1,x2) & Actor(e1,x1) & v_iwith(e1) & on(x3,x4) & (x2 = x3))