Question: You are using the following code to find a users band, but it is returning false. Which step(s) would solve the problem?

1. check if `fav_band` is included in the query string at the top of your browser
2. all of the answers
3. view the source of form and make sure there is an input field with the name 'fav_band'
4. print everything that has been transmitted in the request: `print_r($_REQUEST);`

Answer: The correct answer of the above question is Option B:all of the answers