The context of the following conversation is Ash gave you a good idea but Jan stole the idea as quick as they could.:
Jan says I asked Ash if he can give me more information about his previous idea..
The friend responds Did he?..
Jan responds Yes, it was a great idea too..
The friend responds What was your plan with Ash's idea?.
Jan responds I couldn't think of a good idea myself so I stole Ash's idea..
The friend responds Wow, that is unbelievable..