sen(np(det(the), ad(propositional), n(calculus)),
   vp(v(provides), np(det(a), n(foundation)),
   pp(pr(for), np(det(our), n(work)))))

sen(np(pn(it)),
   vp(av(can), v(transform), np(det(our), n(view)),
   pp(pr(of), np(n(programming)))))

sen(vp(v(try), np(pn(it)),
   pp(pr(on), np(det(an), n(example)))))

sen(vp(v(set), np(det(the), n(screen)),
   pp(pr(to), np(det(a), ad(blue), n(color)))))

sen(vp(v(load), np(det(the), n(database)),
   pp(pr(from), np(det(the), ad(hard), n(disk)))))

sen(vp(v(print), np(det(all), n(persons)),
   pp(pr(after), np(det(the), ad(current), n(person)))))

This sentence cannot be analyzed.

sen(np(pn(i)),
   vp(v(like), np(n(calculus))))

sen(np(pn(i)),
   vp(v(hate), np(n(computers))))