A person is crouched down taking a photograph of a skateboarder.
The photographer watches the skateboarder do tricks.
Taking a photograph of a skateboarder does not imply the skateboarder is doing tricks.
exists e1 p1 s1 x1.(a_down(s1) & Manner(e1,s1) & exists e2 x2 x3.(Theme(e2,x2) & Actor(e2,x1) & v_take(e2) & of(x2,x3) & n_skateboarder(x3) & n_photograph(x2)) & Recipient(e1,p1) & Topic(e1,x1) & v_crouch(e1) & n_person(x1))
exists e2 e1 x1 x2 x3 x4.(n_skateboarder(x2) & n_photographer(x1) & Theme(e2,x2) & Actor(e2,x1) & v_watch(e2) & Theme(e1,x4) & Actor(e1,x3) & v_do(e1) & n_trick(x4) & (x2 = x3))