Some children tugging on a rope next to a building in a city.
Children tying each other up
The children cannot be tying each other up and tugging on a rope at the same time.
exists e1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & on(e1,x3) & to(x4,x5) & in(x5,x6) & n_city(x6) & n_building(x5) & next(x3,x4) & n_thing(x4) & n_rope(x3) & Actor(e1,x2) & v_tug(e1) & (x1 = x2) & n_child(x1))
exists x1.(ne_nam_children(x1) & all x2.(n_other(x2) -> exists e1 s1.(a_up(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_tie(e1))))