John Owns a Number of Hot Dog Stands in New

John owns a number of hot dog stands in New York City. He hires workers to sell hot dogs at his stands. Which of the following events will lead to a decrease in John's demand for hot dog vendors?

A) Hollywood glamorization of a new movie about a hot dog vendor leads hundreds of high-school students in New York City to apply for a job at John's.
B) The price of hot dogs falls.
C) The local hot dog vendors form a union increasing hot dog vendor wages.
D) The demand curve for hot dogs shifts to the right.