A man and a woman at an outing talking to each other.
A young couple talks to each other on a trip.
Just because a man and woman are talking to each other does not mean they are a couple and just because they are on an outing does not mean they are on a trip.
exists e1 s1 x1 x2 x3 x4.(a_topic(s1) & subset_of(x2,s1) & all x5.(n_other(x5) -> to(e1,x5)) & Actor(e1,x4) & v_talk(e1) & (x2 = x4) & at(x2,x3) & n_outing(x3) & n_woman(x2) & subset_of(x1,s1) & n_man(x1))
exists s1 x1 x2.(all x3.(n_other(x3) -> exists x4.(a_topic(x1) & on(x1,x4) & n_trip(x4) & to(x1,x3))) & n_talk(x1) & of(x1,x2) & n_couple(x2) & a_young(s1) & Theme(s1,x1))