Soap and Water

We were asked to dinner by a new friend. When we sat down at the table, we noticed that the dishes were dirty.

"Were these dishes washed?", I asked the hostess as I rubbed my fingers over the surface.

She replied, "They're as clean as soap and water could get them".

I felt a bit apprehensive, but started eating anyway. Dinner was delicious, despite the dirty dishes. When dinner was over, the hostess took the dishes outside and yelled, "Here Soap! Here Water!"