
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
Consider simplifying the expression $\left[ \sqrt[4]{\sqrt[3]{a^{16}}} \right]^3\left[ \sqrt[3]{\sqrt[4]{a^{16}}} \right]^2$.
**A)** $a^{\frac{15}{3}}$  
**B)** $a^{\frac{20}{3}}$  
**C)** $a^{\frac{23}{3}}$  
**D)** $a^{\frac{25}{3}}$  
**E)** $a^{\frac{30}{3}}$

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