A photographer taking a picture of two men in front of a banner.
A man is playing flute while two others listen.
The person can't be playing flute while taking a picture.
exists e1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_take(e1) & of(x3,x4) & in(x4,x5) & of(x5,x6) & n_banner(x6) & n_front(x5) & n_man(x4) & card_eq_2(x4) & n_picture(x3) & (x1 = x2) & n_photographer(x1))
exists e1 p1 x1 x2.(exists e2 x3.(Actor(e2,x3) & v_listen(e2) & -(x3 = x1) & n_person(x3) & card_eq_2(x3)) & n_person(x1) & while(e1,p1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_flute(x2) & n_man(x1))