a man falls out of his kayak.
The man is falling out of his kayak.
Falls is identified as past, falling is implied as present.
exists e1 x1 x2.(of(e1,x2) & n_kayak(x2) & of(x2,x1) & n_male(x1) & r_out(e1) & Actor(e1,x1) & v_fall(e1) & n_man(x1))
exists e1 x1 x2.(n_kayak(x2) & of(x2,x1) & n_male(x1) & n_man(x1) & of(e1,x2) & r_out(e1) & Actor(e1,x1) & v_fall(e1))