
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
There are plans to erect 10 billboards along a certain street, with the base color of the advertisements chosen from red and green. Calculate the number of color schemes where adjacent billboards have different base colors and green is used.

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