[ But he quickly realizes that he's overreacted to an innocent question, and he forces himself to calm down. ]

... Sorry. I think our understandings of that word are different. I'm technically an android. I'm made out of metal like a machine, but Machine Lifeforms are agents of the Aliens who took over the Earth. We've been at war with them for millenia.

I'm not a human any way you cut it, though.