A woman in a red top smokes a cigarette while a woman in a brown top stands nearby.
A woman smokes while her friend waits for her to come back to the party.
Answer :Just because a woman stands nearby the woman that is smoking does not necessarily imply that they are friends.
exists e1 s1 s2 s3 s4 x1 x2 x3 x4 x5.(a_nearby(s4) & Manner(e1,s4) & while(e1,x4) & in(x4,x5) & n_stand(x5) & a_top(s3) & Theme(s3,x5) & a_brown(s2) & Theme(s2,x5) & n_woman(x4) & Theme(e1,x3) & Actor(e1,x1) & v_smoke(e1) & n_cigarette(x3) & in(x1,x2) & n_top(x2) & a_red(s1) & Theme(s1,x2) & n_woman(x1))
exists e1 p1 x1 x2 x3 x4 x5 x6.(n_party(x6) & Topic(e1,p1) & exists e2 p2.(exists s1.(to(s1,x6) & Theme(s1,x1) & a_back(s1)) & Topic(e2,p2) & Actor(e2,x1) & v_come(e2)) & for(e1,x5) & n_her(x5) & while(e1,x3) & n_wait(x3) & of(x3,x4) & n_friend(x4) & of(x3,x1) & n_female(x1) & Actor(e1,x2) & v_smoke(e1) & n_woman(x2) & n_woman(x1))