Could be....
Today beest was helping Thor with his science fair project -Metal or Not Metal. It involves testing things with a metal detector. (Well he is still in Kindergarten). So he was preparing a list of things to test and predicting the outcomes. After a few testing sessions, he's getting an idea of what is metal and what isn't, so all of things he was choosing to test were things he thought would be metal (so exciting to hear the "beep"). Beest was making a few non-metal suggestions. They had just shovelled the snow, so one suggestion was sidewalk. Thor did not want to test the sidewalk. Why not? Because some of it is metal and some isn't. Expecting some keen observation about water shut-off access points and the like beest asked "Which parts do you think are metal?" "The robot bits"
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Sidewalks
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Cyborgs
He scares me. He's the only one of us who could be the president of the United States. Let's hope he decides he want to be a lumberjack or something.....