A man in a red kayak paddles through blue water.
man racing over the lake
Just because a man paddles through water doesn't necessarily mean he is racing over the lake. lake is not the only place where blue water can be found.
exists e1 s1 s2 x1 x2 x3.(through(e1,x3) & n_water(x3) & a_blue(s2) & Theme(s2,x3) & Actor(e1,x1) & v_paddle(e1) & in(x1,x2) & n_kayak(x2) & a_red(s1) & Theme(s1,x2) & n_man(x1))
exists x1 x2 x3.(n_lake(x3) & a_topic(x1) & over(x1,x3) & n_racing(x1) & of(x1,x2) & n_man(x2))