Two women pet a kangaroo in a park.
Two women pet the lost kangaroo in the park.
Just because two women pet a kangaroo does not mean that the kangaroo was lost.
exists s1 x1 x2 x3 x4.(a_topic(x1) & Theme(s1,x3) & Actor(s1,x2) & a_pet(s1) & in(x3,x4) & n_park(x4) & n_kangaroo(x3) & (x1 = x2) & n_woman(x1) & card_eq_2(x1))
exists e1 s1 x1 x2 x3 x4.(n_park(x4) & n_kangaroo(x3) & Theme(e1,x3) & v_lose(e1) & a_topic(x1) & Theme(s1,x3) & Actor(s1,x2) & a_pet(s1) & in(x3,x4) & (x1 = x2) & n_woman(x1) & card_eq_2(x1))