Which of the Following (Historically Inaccurate) Examples Best Demonstrates the Process

Which of the following (historically inaccurate) examples best demonstrates the process of the ratchet effect?

A) Kesha brushes her teeth with a bottle of whiskey, but Lady Gaga gives her a tube of toothpaste because it cleans teeth better.
B) Wolverine and Thor independently create the first hammers.Wolverine's hammer is simply a rock, whereas Thor's hammer has a metal head and a long handle.
C) Serena Williams demonstrates how to use a tennis racquet to hit a ball, and everyone then tries to figure out how the racquet can be used to hit a ball.
D) Marx creates a new political ideology, Lenin builds on that ideology, and Stalin further expands on it.
E) Tiger Woods demonstrates how to use a golf club to hit a ball, and everyone mimics Tiger's movements with his or her golf club.