Univ. “persons”; a = able to manage a crocodile; b = babies; c = despised; d = logical.

2.

(1) My saucepans are the only things I have that are made of tin;
(2) I find all your presents very useful;
(3) None of my saucepans are of the slightest use.

Univ. “things of mine”; a = made of tin; b = my saucepans; c = useful; d = your presents.

3.

(1) No potatoes of mine, that are new, have been boiled;
(2) All my potatoes in this dish are fit to eat;
(3) No unboiled potatoes of mine are fit to eat.

Univ. “my potatoes”; a = boiled; b = eatable; c = in this dish; d = new.

4.

(1) There are no Jews in the kitchen;
(2) No Gentiles say “shpoonj”;
(3) My servants are all in the kitchen.

Univ. “persons”; a = in the kitchen; b = Jews; c = my servants; d = saying “shpoonj.”