Buffalo Buffalo Had Had Had Had

1. Buffalo buffalo Buffalo buffalo buffalo buffalo Buffalo buffalo

2. James while John had had had had had had had had had had had a better effect on the teacher

The two sentences you see above are grammatically correct ( except for missing punctuation marks ! ).

Surprised??Unbelievable??

Check out the Wikipedia links then

The Buffalo One The Had Had One

So much for lexical ambiguity !!

P.S: It took a while before I could comprehend the wiki entries :D