
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
Reduced to lowest terms, $\frac{a^{3}-b^{3}}{ab^2} - \frac{ab^2-b^{3}}{ab^2-a^3}$ is equal to:
**A)** $\frac{b}{a}$ 
**B)** $\frac{a^3-ab^2+b^4}{ab^2}$
**C)** $a^3$
**D)** $a-2b$
**E)** None of these

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