A mother squatting near her child in a stroller.
A mother is pushing her child is a stroller.
Not all mothers are pushing a stroller.
exists e1 x1 x2 x3 x4.(a_topic(x1) & in(e1,x4) & n_stroller(x4) & near(e1,x3) & n_child(x3) & of(x3,x1) & n_female(x1) & Actor(e1,x2) & v_squat(e1) & (x1 = x2) & n_mother(x1))
exists e1 p1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_push(e1) & exists x4.((x3 = x4) & n_stroller(x4)) & (x2 = x3) & n_child(x2) & of(x2,x1) & n_female(x1) & n_mother(x1))