
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
If 7 riverside theme parks are to be reduced by 2, with the theme parks at both ends of the Wei River not being adjusted and no two adjacent riverside theme parks adjusted simultaneously, calculate the number of possible adjustment plans.

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