The context of the following conversation is Tracy was reading the book and got her attention. Tracy knew what might happen in the end.:
Tracy says I love the book I'm reading, it's got my attention!.
The friend responds Can you recommend the book for me?.
Tracy responds Sure! Later..
The friend responds Thanks, I will wait..
Tracy responds Reading the book, I knew what might happen in the end.
The friend responds I hope your guess will be right..