
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 triangle \(ABC\), angle \(C\) is three times the size of angle \(A\). Point \(D\) is chosen on the side \(AB\) such that \(BD = BC\).

Find \(CD\), given that \(AD = 4\). 


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