A group of people gather and holding different types of flags.
The people are driving cars.
People cannot drive cars and gather and hold flags at the same time.
exists e1 e2 x1 x2 x3 x4 x5 x6 x7 x8.(n_type(x7) & a_topic(x1) & of(x1,x4) & Theme(e2,x6) & Actor(e2,x5) & v_hold(e2) & of(x6,x8) & n_flag(x8) & -(x6 = x7) & n_type(x6) & (x4 = x5) & n_people(x4) & of(x1,x2) & Actor(e1,x3) & v_gather(e1) & (x2 = x3) & n_people(x2) & n_group(x1))
exists e1 x1 x2.(n_people(x1) & Theme(e1,x2) & Actor(e1,x1) & v_drive(e1) & n_car(x2))