Woman with child on her back walking.
The woman bounces the child on her lap.
The child cannot be simultaneously on the woman's back and on her lap.
exists s1 s2 x1 x2.(ne_nam_woman(s1) & a_topic(s1) & with(s1,x1) & on(x1,x2) & n_walking(x2) & a_back(s2) & Theme(s2,x2) & of(x2,x1) & n_female(x1) & n_child(x1))
exists e1 x1 x2 x3.(n_lap(x3) & of(x3,x1) & n_female(x1) & n_child(x2) & n_woman(x1) & on(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_bounce(e1))