A woman carries a young, tired child on her back.
A woman and a young child walking.
The child cannot be walking at the same time it is being carried
exists e1 s1 s2 s3 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_carry(e1) & on(x2,x3) & n_back(x3) & of(x3,x1) & n_female(x1) & n_child(x2) & a_tired(s3) & Theme(s3,x2) & a_,(s2) & Theme(s2,x2) & a_young(s1) & Theme(s1,x2) & n_woman(x1))
exists s1 s2 x1 x2 x3.(a_topic(s1) & subset_of(x2,s1) & n_walking(x2) & of(x2,x3) & n_child(x3) & a_young(s2) & Theme(s2,x2) & subset_of(x1,s1) & n_woman(x1))