which word is "blue"?
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| front or back?
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| the star is inside or outside?
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| A man? a mouse?
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| which word's color is red? which word is "blue"? |
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| See the grey dots in the
intersection of white lines? Look closely!
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| Put the mouse lower than the word 'Jack'. Stare 'Jack'. You will find the mouse disappears when new screen comes. |