Once upon a time there was a female brain cell who mistakenly wandered into a man's head. She looked around nervously as it was all empty and quiet. 
 
"Hello?" she cried, but no answer. 
"Is there anyone here?" she cried a little louder, but still no answer. 
 
Now the female brain cell started to feel alone and scared and yelled: "HELLO, IS THERE ANYONE HERE?" 
 
Finally she heard a voice from far, far away: 
"Hello......... we're down here.........."
			












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