Guinnessman

I think its lose your temper.

chrispenycate

if all three boxes must be changed, I pull one object from the box labeled "nails and screws", as I know that one can't be mixed. If it is a screw, then I attach the label "screws". Now I have one box labelled "nails", so it must be the nails and screws mixed. So the unlabelled box must be all nails. But I don't have the first idea for an impossible question to follow.

Alexa

Kids are very good with this kind of questions !

Welcome back, Chris !

__________________
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chrispenycate

I'm always next door in the Chrons, if you need a lousespeaker replacing or something.

And I still haven't come up with an impossible question idea; I must be senile already.