A group of people in red are running down the road.
A group of kids ride their bikes down the road.
One cannot be simultaneously running and riding a bike
exists e1 x1 x2 x3 x4.(n_road(x4) & down(e1,x4) & Actor(e1,x1) & v_run(e1) & of(x1,x2) & in(x2,x3) & n_red(x3) & n_people(x2) & n_group(x1))
exists e1 x1 x2 x3 x4.(n_road(x4) & down(e1,x4) & Theme(e1,x3) & Actor(e1,x1) & v_ride(e1) & n_bike(x3) & of(x3,x1) & n_thing(x1) & of(x1,x2) & n_kid(x2) & n_group(x1))