A man in a blue kayak paddles in water.
The man is waterskiing.
Paddling a kayak is not the same thing as waterskiing.
exists s1 x1 x2 x3 x4.(a_topic(x1) & in(x1,x2) & in(x2,x4) & n_water(x4) & n_paddle(x2) & of(x2,x3) & n_kayak(x3) & a_blue(s1) & Theme(s1,x2) & n_man(x1))
exists e1 x1.(n_man(x1) & Actor(e1,x1) & v_waterskie(e1))