
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 the diagram, \(AB = AC\) and \(D\) is a point on \(AC\) such that \(BD = BC\). Angle \(BAC\) is \(40^\circ\). What is angle \(ABD\)?

A) \(15^\circ\)  
B) \(20^\circ\)  
C) \(25^\circ\)  
D) \(30^\circ\)  
E) \(35^\circ\)

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