These people are cooking lots of food.
A single person is doing laundry in an empty house.
people means more than a single person.
exists e1 x1 x2 x3.(n_people(x1) & Theme(e1,x2) & Actor(e1,x1) & v_cook(e1) & of(x2,x3) & n_food(x3) & n_lot(x2))
exists e1 s1 s2 x1 x2 x3.(in(e1,x3) & n_house(x3) & a_empty(s2) & Theme(s2,x3) & Theme(e1,x2) & Actor(e1,x1) & v_do(e1) & n_laundry(x2) & n_person(x1) & a_single(s1) & Theme(s1,x1))