A single runner is watched by onlookers in a race.
A man is in the lead at a race.
The man may be coming in last and not in the lead. He could just be a lone runner somewhere in the middle of the race.
exists e1 s1 x1 x2 x3.(Actor(e1,x2) & in(x2,x3) & n_race(x3) & n_onlooker(x2) & Theme(e1,x1) & v_watch(e1) & n_runner(x1) & a_single(s1) & Theme(s1,x1))
exists p1 x1 x2.(n_lead(x2) & exists x3.(in(x1,x2) & at(x2,x3) & n_race(x3)) & n_man(x1))