The cat is squinting.
A kitten is watching intently.
Sentence one talks about a cat, it does not infer that cat is a kitten.
exists e1 x1.(n_cat(x1) & Actor(e1,x1) & v_squint(e1))
exists e1 s1 x1.(a_intently(s1) & Manner(e1,s1) & Actor(e1,x1) & v_watch(e1) & n_kitten(x1))