A person is crouched down taking a photograph of a skateboarder.
A photographer is taking pictures.
A person taking pictures is called a photographer.
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 e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_take(e1) & n_picture(x2) & n_photographer(x1))