<documents_info>The IPA Handbook,A Course in Phonetics,Acoustic Phonetics,Articulatory Phonetics</documents_info>
<query>How are vowels classified based on tongue position and height according to the given document collection?</query>
user
Algorithm
assistant
<documents_info>The IPA Handbook,A Course in Phonetics,Acoustic Phonetics,Articulatory Phonetics</documents_info>
<query>How are vowels classified based on tongue position and height according to the given document collection?</query>
user
Chunk
assistant
<query>How are vowels classified based on tongue position and height according to the given document collection?</query>
<documents_info>The IPA Handbook,A Course in Phonetics,Acoustic Phonetics,Articulatory Phonetics</documents_info>