A boxer leaps in the snow.
he may be skating
Just because theres a possibility of skating doesn't mean he is skating.
exists e1 x1 x2.(n_snow(x2) & in(e1,x2) & Actor(e1,x1) & v_leap(e1) & n_boxer(x1))
exists e1 p1 x1.(n_male(x1) & exists e2.(Actor(e2,x1) & v_skate(e2)) & Topic(e1,p1) & Actor(e1,x1) & v_may(e1))