The front of me sings tenor, the rest sings baritone

Some disquiet about the progress on the building works at Epiphany Library. Bronwyn and Doreen are uneasy about the disabled toilets as it seems that the only support given to a user trying to get up off the bog is the sink. It strikes them that this isn't entirely ideal.

The building project manager disagrees and proceeds to give them a demonstration.

"...now just suppose that I've soiled myself."