In fact, the letter, though written on stamped notepaper, might have been posted from anywhere? 
So the letter could have been sent from an address other than the one on the envelope?
So you're certain that this letter could have only come from the address on the envelope?
The toddler is wearing white and yellow
Why is it so sacred to have it on Friday?
The person is outside.
The man is in a cold environment.
One of the boys has a camera.
What store?