Two men sit next to each other on the water in a boat.
There are two men on a boat fishing together.
The first sentence says they are just on a boat, where the second says they are fishing together.
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 s1 x1.(a_together(s1) & Manner(p1,s1) & exists x2 x3 x4.((x1 = x2) & on(x2,x3) & n_fishing(x3) & of(x3,x4) & n_boat(x4) & n_man(x2) & card_eq_2(x2)))