Multiple people running a marathon.
Multiple people sitting by the side of the road watching a marathon.
If multiple people are running the marathon they can not be sitting by the side of the road watching the marathon.
exists e1 s1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_run(e1) & n_marathon(x3) & (x1 = x2) & n_people(x1) & a_multiple(s1) & Theme(s1,x1))
exists e2 e1 x1 x2 x3 x4 x5 x6.(n_road(x5) & n_side(x4) & a_topic(x1) & for(e1,e2) & Theme(e2,x6) & Actor(e2,x3) & v_watch(e2) & n_marathon(x6) & by(e1,x4) & of(x4,x5) & Actor(e1,x3) & v_sit(e1) & (x1 = x3) & n_people(x1) & (x1 = x2) & ne_nam_multiple(x2))