Knowledge: Tennis rackets can buy some at Dick's Sporting Center. On the other hand, stevia are available to purchase in any local stores.

Conversation:
Evening, I do like to make cakes.
Do you like chocolate cakes that are flavored with melted chocolate?
I love chocolate cake, but I cannot eat too much.
I see, did you know that sweeteners fudge and vanilla creme as included a ingredients?
Really? What is the sweetener?
Well, I know that stevia is a sweetener that serves as a sugar substitute, it is extracted from Stevia rebaudiana's leaves.
Okay, I am aware of it but it only comes in packets i think and not in bulk for baking
Yeah, stevia actually has a taste that lasts longer than sugar, even though it has a onset that is slower. Would you try it?
Yeah, where can I buy some?

Response: Yep, you can buy some at any local stores.