In this task you are given a story and a question regarding that story. You must judge whether the question is answerable based on the info given to you. Label the instances as "Answerable" or "Not Answerable" based on your judgment. the story and the question are separated by a new line character.

It is customary to give out red envelopes to kids on Chinese New Year. This year I put $5 in a red envelope. I brought it to my neighbor's son Henry,  who is 4. I gave Henry the envelope, plus some candy. Henry's mom gave me a thank you note in return.
Why is It customary?
Not Answerable