
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 sequence $\{a_{n}\}$ where all terms are positive numbers, $a_{2}=2$, $a_{8}=8$, and $\sqrt{{a_{n-1}}}•\sqrt{{a_{n+1}}}={a_n}$ ($n≥2$), then $a_{14}=\_\_\_\_\_\_$.

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