Two boats hold people and food items.
Two men sit in green boats with sandwiches.
Not all boats are green, not all food items are sandwiches
exists e1 x1 x2 x3 x4 x5.(Theme(e1,x2) & Actor(e1,x1) & v_hold(e1) & subset_of(x4,x2) & n_item(x4) & of(x4,x5) & n_food(x5) & subset_of(x3,x2) & n_people(x3) & n_boat(x1) & card_eq_2(x1))
exists e1 s1 x1 x2 x3.(in(e1,x2) & with(x2,x3) & n_sandwich(x3) & n_boat(x2) & a_green(s1) & Theme(s1,x2) & Actor(e1,x1) & v_sit(e1) & n_man(x1) & card_eq_2(x1))