
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
A street has 12 street lights. After 10 p.m., there are fewer pedestrians. In order to consider energy saving and emission reduction, it is decided to turn off 4 of the street lights after 10 p.m. It is required that the street lights at both ends cannot be turned off, and adjacent street lights cannot be turned off together. There are ____ ways to turn off the street lights. (Answer in numbers)

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