A group of men in red shirts playing tug-of-war.
watched by a group
Not all men that play tug-of-war are watched by a group.
exists e1 s1 x1 x2 x3 x4 x5.(a_topic(x1) & Theme(e1,x5) & Actor(e1,x4) & v_play(e1) & n_tug-of-war(x5) & (x1 = x4) & of(x1,x2) & in(x2,x3) & n_shirt(x3) & a_red(s1) & Theme(s1,x3) & n_man(x2) & n_group(x1))
exists e1 x1 x2.(Actor(e1,x2) & n_group(x2) & Theme(e1,x1) & v_watch(e1) & n_thing(x1))