[Eley doesn't understand fun? That's a bit of a strange question, but in all honesty doesn't really come across as a surprise to Rudy at this point. Unlike the others, he won't comment on that. Instead, he answers honestly.]

Fun, huh... there's a lot of things I can think of. Being with friends, playing games, even exploring can be fun. [Brief pause, as he thinks.] Music too.

But those are just things I like. It's different for everyone, really.