A man with white shorts and life jacket is waving to the camera while he is waterskiing.
A man is wearing swim shorts.
You can be waterskiing without wearing swim shorts.
exists e1 p1 s1 x1 x2 x3 x4 x5 x6.(n_male(x6) & n_camera(x6) & exists e2.(Actor(e2,x6) & v_waterskie(e2)) & while(e1,p1) & to(e1,x6) & Actor(e1,x1) & v_wave(e1) & with(x1,x2) & n_jacket(x4) & of(x4,x5) & n_life(x5) & n_shorts(x3) & a_white(s1) & Theme(s1,x3) & subset_of(x4,x2) & subset_of(x3,x2) & n_man(x1))
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_shorts(x2) & of(x2,x3) & n_swim(x3) & n_man(x1))