
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 ten street lamps in a row. To save energy and reduce emissions, three of them need to be turned off. The requirements are that the two lamps at both ends must not be turned off, and the turned-off lamps must not be adjacent to each other. The number of ways to do this is \_\_\_\_\_\_. (Answer with a number)

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