A group of people are cleaning up the outside of a house.
Humans are eating at a restaraunt.
people cannot clean up the outside of a house while eating at a restaraunt.
exists e1 x1 x2 x3 x4.(n_outside(x3) & up(e1,x3) & of(x3,x4) & n_house(x4) & Actor(e1,x1) & v_clean(e1) & of(x1,x2) & n_people(x2) & n_group(x1))
exists e1 x1 x2.(ne_nam_humans(x1) & at(e1,x2) & n_restaraunt(x2) & Actor(e1,x1) & v_eat(e1))