A group of men are talking while other people look on.
There are men speaking while others watch intently
There is a difference between intently watching, and looking on. Intent watching is much more direct and intense.
exists e1 p1 x1 x2 x4.(n_people(x4) & exists e2 p2 x3.(exists s1.(Theme(s1,x3) & a_on(s1)) & Topic(e2,p2) & Actor(e2,x3) & v_look(e2) & -(x3 = x4) & n_people(x3)) & while(e1,p1) & Actor(e1,x1) & v_talk(e1) & of(x1,x2) & n_man(x2) & n_group(x1))
exists p1 x1 e1 p2 x2 x3.((x1 = x2) & exists e2 x4 x5.(Theme(e2,x5) & Actor(e2,x4) & v_watch(e2) & n_intently(x5) & -(x4 = x2) & n_person(x4)) & n_person(x2) & while(e1,p2) & Actor(e1,x3) & v_speak(e1) & (x2 = x3) & n_man(x2))