John Was Indebted to Stan on a Loan for $1,000

John was indebted to Stan on a loan for $1,000.Stan assigned John's promise to pay to Bob.
-Mr.Parfait was teaching his son,Jacques,to drive in the family car when Jacques failed to apply his brakes soon enough and hit the car in front,causing considerable damage.Mr.Bouchard,the driver of the other car,should get Mr.Parfait's promise to pay for his repairs in writing or it will be unenforceable.