Two women and a man wait in an airport.
Two women and a man sing songs in a subway while accepting tips.
The people can not sing songs in a subway if they wait in an airport in sentence one
exists s1 x1 x2 x3 x4.(a_topic(s1) & subset_of(x2,s1) & in(x2,x4) & n_airport(x4) & n_wait(x2) & of(x2,x3) & n_man(x3) & subset_of(x1,s1) & n_woman(x1) & card_eq_2(x1))
exists e1 e2 x1 x2 x3 x4 x5 x6.(while(e1,e2) & Theme(e2,x6) & Actor(e2,x1) & v_accept(e2) & n_tip(x6) & in(e1,x5) & n_subway(x5) & Theme(e1,x4) & Actor(e1,x1) & v_sing(e1) & n_song(x4) & subset_of(x3,x1) & n_man(x3) & subset_of(x2,x1) & n_woman(x2) & card_eq_2(x2))