A young girl sitting at a table with a bowl on her head
A toddler dumped her bowl of spaghetti on her head
A "young girl" may not be a toddler.  We only know from the first sentence that she has a bowl on her head, not that the bowl contained spaghetti, or that its contents were dumped.
exists e1 s1 x1 x2 x3 x4 x5.(a_topic(x1) & with(e1,x4) & on(x4,x5) & n_head(x5) & of(x5,x1) & n_female(x1) & n_bowl(x4) & at(e1,x3) & n_table(x3) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_girl(x1) & a_young(s1) & Theme(s1,x1))
exists e1 x1 x2 x3 x4.(on(e1,x4) & n_head(x4) & of(x4,x1) & n_female(x1) & n_female(x1) & Theme(e1,x2) & Actor(e1,x1) & v_dump(e1) & of(x2,x3) & n_spaghetti(x3) & n_bowl(x2) & of(x2,x1) & n_toddler(x1))