A man with a red helmet kayaking.
The man wearing the red helmet is in a kayak race.
A man can go kayaking for other reasons besides participating in a kayak race.
exists s1 x1 x2 x3.(a_topic(x1) & with(x1,x2) & n_kayaking(x2) & of(x2,x3) & n_helmet(x3) & a_red(s1) & Theme(s1,x2) & n_man(x1))
exists e1 p1 s1 x1 x2 x3.(n_helmet(x3) & a_red(s1) & Theme(s1,x3) & n_man(x1) & exists x4 x5.(in(x1,x4) & n_race(x4) & of(x4,x5) & n_kayak(x5)) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & (x1 = x2))