two men and a woman at the top of a flight of stairs
The people are talking about work.
The people are not necessarily talking, and are not necessarily at work or talking about work.
exists s1 x1 x2 x3 x4 x5.(n_top(x3) & a_topic(s1) & subset_of(x2,s1) & at(x2,x3) & of(x3,x4) & of(x4,x5) & n_stair(x5) & n_flight(x4) & n_woman(x2) & subset_of(x1,s1) & n_man(x1) & card_eq_2(x1))
exists e1 x1 x2.(n_people(x1) & about(e1,x2) & n_work(x2) & Actor(e1,x1) & v_talk(e1))