B:	I don't know how much I know about this subject
b iː WORD_BOUNDARY aɪ WORD_BOUNDARY d oʊ n t WORD_BOUNDARY n oʊ WORD_BOUNDARY h aʊ WORD_BOUNDARY m ʌ t̠ʃ WORD_BOUNDARY aɪ WORD_BOUNDARY n oʊ WORD_BOUNDARY ʌ b aʊ t WORD_BOUNDARY ð ɪ s WORD_BOUNDARY s ʌ b d̠ʒ ɛ k t WORD_BOUNDARY