A baby in a cart on a sidewalk.
A mother left her baby alone on the sidewalk.
Although a baby is in a cart on the sidewalk, it does not imply the mother left the baby alone.
exists x1 x2 x3.(a_topic(x1) & in(x1,x2) & on(x2,x3) & n_sidewalk(x3) & n_cart(x2) & n_baby(x1))
exists e1 x1 x2 x3.(n_sidewalk(x3) & on(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_leave(e1) & r_alone(x2) & n_baby(x2) & of(x2,x1) & n_female(x1) & n_mother(x1))