Four dogs playing in a field
Some animals are chained up in a back yard.
The dogs can not be chained up if they are playing in a field.
exists e1 x1 x2 x3.(a_topic(x1) & in(e1,x3) & n_field(x3) & Actor(e1,x2) & v_play(e1) & (x1 = x2) & n_dog(x1) & card_eq_4(x1))
exists e1 s1 s2 x1 x2.(in(e1,x2) & n_yard(x2) & a_back(s2) & Theme(s2,x2) & a_up(s1) & Manner(e1,s1) & Theme(e1,x1) & v_chain(e1) & n_animal(x1))