A couple having a conversation over drinks.
The two people are racing to catch a train.
A couple cannot be racing while they are having drinks.
exists e1 x1 x2 x3 x4.(a_topic(x1) & over(e1,x4) & n_drink(x4) & Theme(e1,x3) & Actor(e1,x2) & v_have(e1) & n_conversation(x3) & (x1 = x2) & n_couple(x1))
exists e1 p1 x1.(n_people(x1) & card_eq_2(x1) & Topic(e1,p1) & Actor(e1,x1) & v_race(e1) & exists e2 x2.(Theme(e2,x2) & Actor(e2,x1) & v_catch(e2) & n_train(x2)))