How to solve it? Understanding the problem! Bill,Jim and Sam are from Boston,Chicago and Detroit,respectively Each of following sentence is half right and half wrong: Bill is from Boston,and Jim is from Chicago. Bill is from Boston,if and only if Jim is NOT from Chicago. Jim is from Chicago,if and only if Bill is NOT from Boston. Guess and Reasoning Sam is from Boston,and Bill is from Chicago. Sam is from Boston,if and only if Bill is NOT from Chicago. Bill is from Chicago,if and only if Sam is NOT from Boston. Jim is from Boston,and Bill is from Detroit. Jim is from Boston,if and only if Bill is NOT from Detroit. Bill is from Detroit,if and only if Jim is NOT from Boston.How to solve it? • Understanding the problem! • Bill, Jim and Sam are from Boston, Chicago and Detroit, respectively • Each of following sentence is half right and half wrong: • Bill is from Boston, and Jim is from Chicago. • Bill is from Boston, if and only if Jim is NOT from Chicago. • Jim is from Chicago, if and only if Bill is NOT from Boston. • Sam is from Boston, and Bill is from Chicago. • Sam is from Boston, if and only if Bill is NOT from Chicago. • Bill is from Chicago, if and only if Sam is NOT from Boston. • Jim is from Boston, and Bill is from Detroit. • Jim is from Boston, if and only if Bill is NOT from Detroit. • Bill is from Detroit, if and only if Jim is NOT from Boston. Guess and Reasoning