A baby is sleeping on a woman back as she writes on a chalkboard.
A baby is sleeping by a woman who is writing somewhere.
THE BABY CAN EITHER BE SLEEPING BY THE WOMAN OR ON THE WOMAN'S BACK.
exists e1 p1 s1 x1 x2.(exists e2 x3.(on(e2,x3) & n_chalkboard(x3) & Actor(e2,x1) & v_write(e2)) & n_female(x1) & as(e1,p1) & a_back(s1) & Manner(e1,s1) & on(e1,x2) & n_woman(x2) & Actor(e1,x1) & v_sleep(e1) & n_baby(x1))
exists e2 e1 x1 x2 x3 x4.(by(e1,x2) & Location(e2,x4) & n_location(x4) & Actor(e2,x3) & v_write(e2) & (x2 = x3) & n_woman(x2) & Actor(e1,x1) & v_sleep(e1) & n_baby(x1))