Two young men and two boys are sitting down on a boat next to an anchor and watching the water.
Four people are outside.
If you are on a boat, you are outside. Two men plus two boys makes four people.
exists e1 e2 s1 s2 s3 x1 x2 x3 x4 x5 x6 x7 x8 x9 x10.(n_water(x10) & Theme(e2,x10) & Actor(e2,x7) & v_watch(e2) & n_boy(x9) & card_eq_2(x9) & n_man(x8) & a_young(s3) & Theme(s3,x8) & card_eq_2(x8) & subset_of(x9,x7) & subset_of(x8,x7) & on(e1,x4) & to(x5,x6) & n_anchor(x6) & next(x4,x5) & n_thing(x5) & n_boat(x4) & a_down(s2) & Manner(e1,s2) & Actor(e1,x1) & v_sit(e1) & n_boy(x3) & card_eq_2(x3) & n_man(x2) & a_young(s1) & Theme(s1,x2) & card_eq_2(x2) & subset_of(x3,x1) & subset_of(x2,x1))
exists s1 x1.(Theme(s1,x1) & a_outside(s1) & n_people(x1) & card_eq_4(x1))