Finish the following sentence with the best choice: how to open an water bottle?

Choices:
- Bang the cap. Firmly hold the bottle of water in your hand and hit the cap against a soft surface like the sofa. ...
- Bang the cap. Firmly hold the bottle of water in your hand and hit the cap against a hard surface. ...

Answer:
Bang the cap. Firmly hold the bottle of water in your hand and hit the cap against a hard surface. ...