A man is riding in a boat on the water.
A male is outdoors.
Just because a male is outdoors doesn't mean a man is riding in a boat on the water.
exists e1 x1 x2 x3.(n_water(x3) & in(e1,x2) & on(x2,x3) & n_boat(x2) & Actor(e1,x1) & v_ride(e1) & n_man(x1))
exists p1 x1.(exists x2.((x1 = x2) & n_outdoors(x2)) & n_male(x1))