
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
Four concentric circles are drawn with radii of 2, 4, 6, and 8. The innermost circle is painted black, the ring around it is white, the next ring beyond it is black, and the outermost ring is white. What is the ratio of the black area to the white area?

Present the answer in LaTex format: \boxed{Your answer}
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