Context: I was at a friend \'s house a few days ago and I was feeling thirsty . " Is it okay if I help myself to the juice ? " I asked , peering into the fridge . " Sure , " said my friend .
Question: What may be the reason for them asking permission ?
Option 0: They did n't want to upset their friend 's parents .
Option 1: They felt guilty if they did n't ask permission .
Option 2: They wanted to be polite in another 's home .
Option 3: None of the above choices .
Answer: 2