I am not sure where to start to solve this problem:
Smith, Jones, and Rodriguez are the engineer, brakeman, and fireman on a train, not necessarily in that order.
Riding on the train are three passengers with the same last names as the crewmembers, identified as passenger Smith, passenger Jones, and passenger Rodriguez.
The brakeman lives in Denver.
Passenger Rodriguez lives in San Francisco.
Passenger Jones long ago forgot all the algebra that he learned in high school.
The passenger with the same name as the brakeman lives in New York.
The brakeman and one of the passengers, a professor of mathematical physics, attend the same health club.
Smith beat the fireman in a game of tennis at a court near their homes.
Can you discover a theorem that tells the name of the engineer, the brakeman, and the fireman? I am lost on where to start. Thank you