
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]


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There are 4 outstanding students, A, B, C, and D, all of whom are recommended to three schools: School A, School B, and School C. Each school must have at least one student, and Student A does not go to School A. Determine the number of different recommendation plans that exist.

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