A child is brushing an infant's hair.
A child is brushing hair.
It is not implied that the child is brushing hair.
exists e1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_brush(e1) & n_hair(x3) & of(x3,x2) & n_infant(x2) & n_child(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_brush(e1) & n_hair(x2) & n_child(x1))