three men ride in a dingy.
Three men are on a lake.
The fact that the men are in a dingy does imply that they are in water, but there is no way to infer that the body of water is a lake.
exists e1 x1 x2.(in(e1,x2) & n_dingy(x2) & Actor(e1,x1) & v_ride(e1) & n_man(x1) & card_eq_3(x1))
exists p1 x1.(exists x2.(on(x1,x2) & n_lake(x2)) & n_man(x1) & card_eq_3(x1))