which one is better?

[Joe]

1) Out of courtesy, she reached for the cup and took a drink.
2) For the sake of politeness, she reached for the cup and took a drink.

Thanks a lot. (Maybe you'll tell me that neither is good. :) )

[Casiopea]

1) Out of courtesy, she reached for the cup and took a drink.
2) For the sake of politeness, she reached for the cup and took a drink.

Thanks a lot. (Maybe you'll tell me that neither is good. :) )

They both sound good. :D