A woman is staring outside to a man in a gray jacket not looking back at her.
A woman and man wave at one another.
The man and the woman cannot both wave at each other, and the man be not looking back at her.
exists x1.(-exists e2 e1 s1 s2 s3 x2 x3.(for(e1,e2) & a_back(s3) & Manner(e2,s3) & at(e2,x1) & Actor(e2,x1) & v_look(e2) & a_outside(s2) & Manner(e1,s2) & to(e1,x2) & in(x2,x3) & n_jacket(x3) & a_gray(s1) & Theme(s1,x3) & n_man(x2) & Actor(e1,x1) & v_stare(e1)) & n_female(x1) & n_woman(x1))
exists s1 s2 s3 x1 x2 x3 x4.(a_topic(s1) & at(s1,x4) & n_thing(x4) & card_eq_1(x4) & a_another(s3) & Theme(s3,x4) & a_.(s2) & Theme(s2,x4) & subset_of(x2,s1) & n_wave(x2) & of(x2,x3) & n_man(x3) & subset_of(x1,s1) & n_woman(x1))