The word execution in there worries me a little. [He tried to say that with a bit of humor, but really - what kind of school club was dedicated to that? He could just hope it had something to do with biology rather than real executions.
The next thing, though, gets his attention. She had seemed so natural, he wouldn't have thought-] A machine? Then you were created? [The scientist in him wanted to take a closer look at her right now, but he struggled against it.] I-indeed, you seem like a natural girl to me.