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"What" is a form of "what", a pronoun which is often translated as "qué". "Which ones" is a phrase which is often translated as "cuáles". Learn more about the difference between "which ones" and "what" below.
which ones(
wihch
wuhnz
)A phrase is a group of words commonly used together (e.g., once upon a time).
1. (general)
what(
wuht
)A pronoun is a word that stands in for a noun (e.g., she).
An adjective is a word that describes a noun (e.g., the big dog).
An interjection is a short utterance that expresses emotion, hesitation, or protest (e.g., Wow!).