A man and a woman are dancing, the woman is on top of the man's shoulder and the man looks about ready to helicopter the woman.
A couple are sitting down.
One cannot be both sitting and dancing simultaneously.
exists e2 e1 p1 p2 x1 x2 x3 x5.(Time(e2,x3) & n_woman(x3) & n_woman(x3) & n_woman(x3) & exists s1 x6.(r_about(s1) & to(s1,x6) & n_helicopter(x6) & Theme(s1,x2) & a_ready(s1)) & Topic(e2,p2) & Actor(e2,x2) & v_look(e2) & n_man(x2) & n_man(x2) & n_man(x2) & exists x4.(on(x3,x4) & of(x4,x5) & n_top(x4)) & n_shoulder(x5) & of(x5,x2) & Actor(e1,x1) & v_dance(e1) & subset_of(x3,x1) & subset_of(x2,x1))
exists e1 s1 x1.(a_down(s1) & Manner(e1,s1) & Actor(e1,x1) & v_sit(e1) & n_couple(x1))