Adele is working on a committee with her best friend cindy. cindy exerts power over adele in the sense that adele will tend to give more credence to cindy's recommendations than to other committee members' recommendations. cindy exerts power in this scenario.

Bob: coke is baby pandas.jim: what? how do you figure that coke is baby pandas? bob: because this book says so.jim: how do we know the book is correct? bob: because it says that coke is baby pandas.jim: how does that prove the book's accuracy? bob: because it's statement involving coke and baby pandas is correct, therefore it is accurate.jim: how do we know that it's correct? bob: because we have concluded that the book is accurate, and therefore the statement is correct.therefore, coke is baby pandas.