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| Colors:Look
at the chart and say the color... not the word! |
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| Elephant:
How many
legs does the elephant have? |
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| Haze:Keep
staring at the black dot. After a while the gray haze around it will
appear to shrink. |
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| Lines:
Are the
horizontal lines parallel or do they slant? |
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| Focus:Focus
on the dot in the center and move your head backwards and forwards...
weird! |
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