Read this: In Western Catalan, unstressed vowels reduce to five: /e ɛ/ > [e]; /o ɔ/ > [o]; /a u i/ remain distinct. This reduction pattern, inherited from Proto-Romance, is also found in Italian and Portuguese. Some Western dialects present further reduction or vowel harmony in some cases.
Now answer this question, if there is an answer (If it cannot be answered, return "unanswerable"): What do unstressed vowels reduce to in Western Catalan?
five