Two young women discuss something while waiting.
The two young women are minding their own business.
Minding their own business is different than discuss something.
exists e2 e1 s1 x1 x2.(while(e1,e2) & Actor(e2,x1) & v_wait(e2) & Theme(e1,x2) & Actor(e1,x1) & v_discuss(e1) & n_thing(x2) & n_woman(x1) & a_young(s1) & Theme(s1,x1) & card_eq_2(x1))
exists e1 s1 s2 x1 x2.(n_business(x2) & a_own(s2) & Theme(s2,x2) & of(x2,x1) & n_thing(x1) & n_woman(x1) & a_young(s1) & Theme(s1,x1) & card_eq_2(x1) & Theme(e1,x2) & Actor(e1,x1) & v_mind(e1))