
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
Solve the inequality $x^3 - 4x^2 + 4x < 0$.
**A)** $x > 0$  
**B)** $x < 2$  
**C)** $x < 0$  
**D)** $x = 2$

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