A group of people are standing in a courtyard.
People are sitting outside.
One cannot be standing and sitting at the same time.
exists e1 x1 x2 x3.(in(e1,x3) & n_courtyard(x3) & Actor(e1,x1) & v_stand(e1) & of(x1,x2) & n_people(x2) & n_group(x1))
exists e1 p1 x1.(exists s1.(Theme(s1,x1) & a_outside(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_sit(e1) & n_people(x1))