A girl in a black tank top smoking a cigarette while two friends look on.
A girl is going to the library.
A girl cannot be smoking a cigarette while going to a library
exists e1 p1 s1 x1 x2 x3 x4 x5.(a_topic(x1) & in(x1,x2) & exists e2 p2 x6.(exists s2.(Theme(s2,x6) & a_on(s2)) & Topic(e2,p2) & Actor(e2,x6) & v_look(e2) & n_friend(x6) & card_eq_2(x6)) & while(e1,p1) & Theme(e1,x5) & Actor(e1,x4) & v_smoke(e1) & n_cigarette(x5) & (x2 = x4) & n_top(x2) & of(x2,x3) & n_tank(x3) & a_black(s1) & Theme(s1,x2) & n_girl(x1))
exists e1 x1 x2.(n_library(x2) & to(e1,x2) & Actor(e1,x1) & v_go(e1) & n_girl(x1))