A man kayaks through rough water.
The man is readying his kayak
One cannot be readying and kayaking  through rough water at the same time.
exists e1 s1 x1 x2.(through(e1,x2) & n_water(x2) & a_rough(s1) & Theme(s1,x2) & Actor(e1,x1) & v_kayak(e1) & n_man(x1))
exists e1 x1 x2.(n_kayak(x2) & of(x2,x1) & n_male(x1) & n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_ready(e1))