books are more interesting
book be more interesting
n cop adv adj
books are more interesting .
b ʊ k s WORD_BOUNDARY ɑː ɹ WORD_BOUNDARY m oː ɹ WORD_BOUNDARY ɪ n t ɹ ɛ s t ɪ ŋ WORD_BOUNDARY
b o o k s WORD_BOUNDARY a r e WORD_BOUNDARY m o r e WORD_BOUNDARY i n t e r e s t i n g WORD_BOUNDARY