Question

Which of the following is the best example of substitution?

1. People walk out before the end of a movie because the acting and the plot are terrible.

2. Movie producers begin making more comedies because they cost less to make than action films.

3. More people begin going to matinee movies instead of night to save money on the ticket.

4. People at the movie theatre switch from popcorn to candy because popcorn has gotten too expensive.