B:	and they came back negative the second time.
b iː WORD_BOUNDARY æ n d WORD_BOUNDARY ð eɪ WORD_BOUNDARY k eɪ m WORD_BOUNDARY b æ k WORD_BOUNDARY n ɛ ɡ ə t ɪ v WORD_BOUNDARY ð ə WORD_BOUNDARY s ɛ k ə n d WORD_BOUNDARY t aɪ m WORD_BOUNDARY