i think!

a blonde, brunette and a red head were walking down the road when the caome across a mirror.

There was a sign on the mirror saying, if you think of something correctly you will recieve a hidden treasure. If you lie you get sucked into a black hole forever.

The brunette walks up and goes. "i think im the prettiest girl in the world" 

Suddenly by her feet there was amazing gemstones.

The red head walks up and says. "i think im the smartest in the world" Suddenly beautiful coins were at her feet.

The blonde walks up and says. "i think. . . ." and got sucked in to the black hole forever