A group of people stop to look at something while one takes a picture.
All of the people are sleeping.
If some people stop to look at something while one takes a picture, then all of the people aren't sleeping.
exists e1 p1 x1 x2 x3 x4 x5.(Topic(e1,p1) & exists e2 p2 x6.(exists e3 x7 x8.(Theme(e3,x8) & Actor(e3,x7) & v_take(e3) & n_picture(x8) & n_thing(x7) & card_eq_1(x7)) & while(e2,p2) & at(e2,x6) & n_thing(x6) & Actor(e2,x1) & v_look(e2)) & Theme(e1,x5) & Actor(e1,x3) & v_stop(e1) & n_thing(x5) & of(x3,x4) & n_people(x4) & n_group(x3) & of(x1,x2) & n_people(x2) & n_group(x1))
exists x2.(n_people(x2) & all x1.(n_thing(x1) -> exists e1.(Actor(e1,x1) & v_sleep(e1) & of(x1,x2))))