Me: Sam - you've finished your pasta so now please take your plate out to the kitchen.
Sam: I can't take my plate out.
Me: Stop being lazy and do what I've asked, please.
Sam: I can't take my plate out because actually it's a bowl, daddy.
Claire: Stop being facetious, Sam!
Sam: I'm not being facetious, I'm being pedantic.
I think he's going to easily out-manoeuver us in English usage as he grows up more.
Addendum: He's just let himself down by stating "I always fart when I laugh". Ha! I win!