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 ?
Possible answers:
Choices: 1). They felt guilty if they did n't ask permission .; 2). They did n't want to upset their friend 's parents .; 3). None of the above choices .; 4). They wanted to respect their friend 's home .;
The answer:
4).