Given the task definition and input, reply with output. 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.

Ivan wanted to see if he could get enough helium balloons to fly. The first store he went to had 500 balloons on sale for $400. He picked out a couple different colors and started filling them. Ivan tied the balloons to himself and said farewell to the earth. Even though he only made it 3' off the ground, he felt free.
Why did Ivan want to see if he could get enough helium balloons to fly?

Not Answerable