Three people wearing mostly black are standing in front of a blue door.
Some people standing in fron of a blue door waiting for their friend to come out.
People standing in front of a door are not necessarily waiting for their friend to come out.
exists e2 e1 s1 s2 x1 x2 x3 x4 x5.(in(e2,x4) & of(x4,x5) & n_door(x5) & a_blue(s2) & Theme(s2,x5) & n_front(x4) & Actor(e2,x1) & v_stand(e2) & r_mostly(s1) & Theme(s1,x3) & a_black(s1) & (x1 = x3) & Actor(e1,x2) & v_wear(e1) & (x1 = x2) & n_people(x1) & card_eq_3(x1))
exists e2 e1 p1 s1 x1 x2 x3 x4 x5 x6 x7.(a_topic(x1) & in(e1,x3) & of(x3,x4) & Topic(e2,p1) & exists e3 s2.(a_out(s2) & Manner(e3,s2) & Actor(e3,x5) & v_come(e3)) & for(e2,x7) & n_friend(x7) & of(x7,x1) & n_thing(x1) & Actor(e2,x6) & v_wait(e2) & (x4 = x6) & (x4 = x5) & n_door(x4) & a_blue(s1) & Theme(s1,x4) & n_fron(x3) & Actor(e1,x2) & v_stand(e1) & (x1 = x2) & n_people(x1))