People playing a game at the midway.
A group of people play at the arcade on the San Francisco wharf.
People playing a game at the midway does not mean they arcade on the San Francisco wharf
exists e1 x1 x2 x3 x4.(n_midway(x4) & a_topic(x1) & at(e1,x4) & Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & n_game(x3) & (x1 = x2) & n_people(x1))
exists e1 x1 x2 x3 x4 x5 x6.(n_wharf(x4) & (x4 = x6) & ne_geo_francisco(x6) & (x4 = x5) & ne_geo_san(x5) & n_arcade(x3) & on(e1,x4) & at(e1,x3) & Actor(e1,x1) & v_play(e1) & of(x1,x2) & n_people(x2) & n_group(x1))