Which of the Following Is Not a Good Example of a Substitute

Multiple Choice

Which of the following is not a good example of a substitute product that triggers stronger competitive pressures?

A) Lyft or Uber as a substitute for rental cars
B) Airbnb as a substitute for hotels and motels
C) Dasani water as a substitute for Aquafina water
D) Smartphones as substitutes for film cameras
E) Netflix and Amazon streaming video on demand as a substitute for DVD players