Two men sit next to each other on the water in a boat.
There are two men on a boat.
Two men on a boat is a rephrasing of two men sitting in a boat.
exists e1 x1 x2 x3.(n_water(x2) & in(e1,x3) & n_boat(x3) & on(e1,x2) & all x4.(n_other(x4) -> to(e1,x4)) & r_next(e1) & Actor(e1,x1) & v_sit(e1) & n_man(x1) & card_eq_2(x1))
exists p1 x1 x2 x3.((x1 = x2) & on(x2,x3) & n_boat(x3) & n_man(x2) & card_eq_2(x2))