Individuals are building a house.
A construction crew is demolishing a house.
Individuals cannot be building a house and demolishing a house simultaneously.
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_build(e1) & n_house(x2) & n_individual(x1))
exists e1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_demolish(e1) & n_house(x3) & n_crew(x1) & of(x1,x2) & n_construction(x2))