Originally Posted by dsvick
I gave in and looked at OBS's answer. I had initially started in that direction but stopped, my problem with it was
I should say that I don't think your spoiler tags are necessary, but I won't remove them. I will answer though.
This is really a logical puzzle given embodiment. It's not a logical analysis of a real situation. So bringing in human variation and fallibility is the wrong way to approach a solution.