You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "who said the man on the clapham omnibus?" whose answer is Sir Richard Henn Collins MR.
Each document should contain about 30 words, and these documents should contain useful information.

Query: origin of the man on the clapham omnibus
Useful Output:

Doc 1: In this "Introduction to Law" case, we discover the origins of the "reasonable person test" and in particular the origin of the phrase "the
Doc 2: “The man on the Clapham omnibus” is an often cited but poorly understood name for the standard of reasonable care in tort. It originated in a
Doc 3:  person, sometimes personified as 'the man on the Clapham omnibus' or the 'reasonable person' is free, reasonable and law-abiding
Doc 4: 'The Man on the Clapham Omnibus' is a phrase used, mainly in England I would assume, to illustrate the ordinary or average man, the 'man on the
Doc 5: It was used to denote the average or typical person, the man on the street or, as the Americans might put it, an ordinary Joe.