Context: Catalan has inherited the typical vowel system of Vulgar Latin, with seven stressed phonemes: /a ɛ e i ɔ o u/, a common feature in Western Romance, except Spanish. Balearic has also instances of stressed /ə/. Dialects differ in the different degrees of vowel reduction, and the incidence of the pair /ɛ e/.

Question: Where does Catalan get its vowel system?
Answer: Vulgar Latin

Question: How many stressed phenoms are there?
Answer: seven

Question: Where is this a common feature?
Answer: Western Romance

Question: What is the exception to this common characteristic?
Answer: Spanish

Question: What differs in vowel reduction?
Answer: Dialects

Question: What is the vowel system of Catalan?
Answer: Vulgar Latin

Question: How many stressed phonemes are there in Catalan?
Answer: seven

Question: Where is this system common?
Answer: Western Romance

Question: What language is the exception?
Answer: Spanish

Question: What language form differs in the amount of vowel reduction?
Answer: Dialects