People stopping for a bite to eat.
People are running down the street in a race.
A person running is in motion, and a person stopped is standing still. You can only do one at a time, not both.
exists e1 p1 x1 x2 x3 x4.(a_topic(x1) & Topic(e1,p1) & exists e2.(Actor(e2,x2) & v_eat(e2)) & for(e1,x4) & n_bite(x4) & Actor(e1,x3) & v_stop(e1) & (x1 = x3) & (x1 = x2) & n_people(x1))
exists e1 x1 x2 x3.(n_street(x2) & in(e1,x3) & n_race(x3) & down(e1,x2) & Actor(e1,x1) & v_run(e1) & n_people(x1))