Answer:
Reena took a small quantity of food item and wrap it in a piece of paper. She crushed it and saw an oily patch. Identify it.
The prologue creates a sense of anticipation in the audience members. It provides them with a bit of information that tells them what to expect, so that they are waiting for those things to happen. It is an opportunity for the playwright to create some context for the play, such as describing the setting or something worth knowing about the characters.