Conversation so far:
Who was Graham Chapman?
writing partnership.
What are some activities that Graham and John did when they wrote together?
Cleese claims that their writing partnership involved Cleese doing most of the work, while Chapman sat back, not speaking for long periods before suddenly coming out with an idea.
What type of material did they write?
Their humour often involved ordinary people in ordinary situations behaving absurdly for no obvious reason.
What is an example of their work?
Argument Clinic", where Cleese plays a stone-faced bureaucrat employed to sit behind a desk and engage people in pointless, trivial bickering.

Question: Was Chapman also in this or just Cleese?
Self-contained rewrite: Was  Graham Chapman also in Argument Clinic or just John Cleese?