Hugbox, owner discover’s pet fluffy has excellent smell and can find truffles since they smell like a special nummie their owner likes.
Sadbox, feral sneaks into in a big store like a target or walmart and gets locked in when it goes out of business and starves to death.
Abuse, feral family gets adopted and a foal is forced to choose wether its mummah, its daddeh, or its siblings dies. Its a Xanatos gambit because the foal ends up dying no matter the outcome which each ending written as a different timeline.