Leading discourse markers such as "ok", "right" and "so" are regarded as individual utterances (unless "so" can be replaced by "hence").
x-turns tier containing the turn boundaries for participant x x-utts tier used for segmentation and transcription of x's utterances x-en tier containing English paraphrase translation for x's utterances x-laughter tier containing the laughter and laughed speech duration intervals for participant x Segmentation: In the x-turns tiers, all continuous stretches of speech by one speaker until the other speaker takes over, modulo small overlaps, are considered one turn.