Context: I was so excited to see the Jacuzzi size bathtub because I do n\'t have a bathtub at my house . Since it was about 40 degrees ( Remember that Mark Twain quote about the " coldest winter I ever spent was a summer in San Francisco " ? Turns out , it \'s true .
Question: Why did the narrator opt for a Jacuzzi at their house ?
Option 0: Mark Twain recommended one .
Option 1: They wanted to emulate Mark Twain 's house .
Option 2: They live in a hot environment .
Option 3: San Francisco is cold .
Answer: 3