People are having a conversation in the inner room of a ship.
There are people laughing in a room on a ship
Having a conversation does not always contain laughing.
exists e1 s1 x1 x2 x3 x4.(n_room(x3) & a_inner(s1) & Theme(s1,x3) & in(e1,x3) & of(x3,x4) & n_ship(x4) & Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_conversation(x2) & n_people(x1))
exists p1 x1 e1 x2 x3 x4 x5.((x1 = x2) & in(e1,x4) & on(x4,x5) & n_ship(x5) & n_room(x4) & Actor(e1,x3) & v_laugh(e1) & (x2 = x3) & n_people(x2))