Example Smile is to happiness as
(drink, tear, shout) is to (whisper, laugh, sorrow).
Oath is to vow as
(pledge, memo, rule) is to (argue, promise, follow).
One is to single as
(four, two, set) is to (add, double, twins).
Foot is to toe as
(elbow, leg, hand) is to (finger, thumb, glove).