The skateboarder is riding the ramp next to the very big painting.
The skateboarder is on a ramp near a painting.
When a skateboarder is on a ramp that means he/she is riding the ramp.
exists e1 s1 x1 x2 x3.(n_painting(x3) & a_big(s1) & Theme(s1,x3) & r_very(x3) & n_ramp(x2) & n_skateboarder(x1) & to(e1,x3) & r_next(e1) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1))
exists p1 x1.(n_skateboarder(x1) & exists x2 x3.(on(x1,x2) & near(x2,x3) & n_painting(x3) & n_ramp(x2)))