
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 2 seaside theme parks are to be reduced from the original 7 seaside theme parks, and the parks at both ends are not included in the adjustment plan, and two adjacent theme parks cannot be adjusted at the same time, calculate the number of possible adjustment plans.

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