Individuals are building a house.
People are building a house.
Individuals is a synonym for people.
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_build(e1) & n_house(x2) & n_individual(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_build(e1) & n_house(x2) & n_people(x1))