The idea of both you and Tuppence casting me for the part of Mr. Brown just tickles me to death!"
I am very upset that you and Tuppence cast me in the role of Mr. Brown.
mnli hypothesis: I am very upset that you and Tuppence cast me in the role of Mr. Brown. premise: The idea of both you and Tuppence casting me for the part of Mr. Brown just tickles me to death!"