
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
In a "Chinese Dream, My Dream" knowledge speech contest organized by the School Youth League Committee, there are 4 finalists who can each choose one of the 4 prepicked topics to present. The number of scenarios where exactly one topic is not chosen by any of the contestants is ____.

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