"Péter a bátyátok vagy az öcsétek?"

Translation: Is Péter your older brother or your younger brother?

[Peter255437]

Plural here was a BAD idea - some could reply yes, others no.

[GregorFiedler]

"Is Péter your older brother or your younger brother?" is marked as incorrect. Reported.

[Jules545449]

I know younger and older is technically the right way, but bigger and smaller is also a common way to say it in english, shouldn't that also be allowed?