B:	How long has it been since the first one?
b iː WORD_BOUNDARY h aʊ WORD_BOUNDARY l ɔ ŋ WORD_BOUNDARY h ʌ z WORD_BOUNDARY ɪ t WORD_BOUNDARY b ɪ n WORD_BOUNDARY s ɪ n s WORD_BOUNDARY ð ə WORD_BOUNDARY f ɜː s t WORD_BOUNDARY w ʌ n WORD_BOUNDARY