Context: we \'re in vang vieng at the moment . it \'s surrounded by lush mountains . we rented a couple o huge rubber rings today to do " tubing " .
Question: Why did they want to go tubing ?
Option 0: Because they wanted to rent something .
Option 1: Because they like rubber .
Option 2: None of the above choices .
Option 3: Because they thought it would be a fun thing to do .
Answer: 3