Word puzzles

These sentences are all grammatically correct. A friend of mine introduced me to the Buffalo buffalo one, and I found the rest in Wikipedia...

This sentence demonstrates lexical ambiguity. See if you can work it out before you read the Wikipedia article.

Buffalo buffalo Buffalo buffalo buffalo buffalo Buffalo buffalo.

This stream of words lacks punctuation. See if you can insert the correct punctuation to make sense of it.

James while Jon had had had had had had had had had had had a better effect on the teacher

And these are examples of Garden Path sentences:

"The old man the boat."

"The man who whistles tunes pianos."

"The cotton clothing is made of grows in Mississippi."