Problem: Lindsey cause nasty ink stains on Kayla's purse, so

My choice: Lindsey apologizes and tries to clean it.

Problem: Carrie had a wedding last year, but Monica has never had one, so

My choice: Monica is currently single.

Problem: In order to clean the vomit from the carpeted floor, the custodian used the vinegar rather than bleach, since the

My choice: bleach was caustic.

Problem: Knot and knight both have silent K's making them hard to spell without context. The

My choice:
knight is a longer word so it is harder.