
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 a geometric setup, $\angle \text{CBD}$ is a right angle, and $\angle \text{DBC}$ is $30^\circ$ more than $\angle \text{ABC}$. If the external angle $\angle \text{DBE}$ formed by producing the line segment BD is a straight angle and the protractor indicates that the measure of $\angle \text{ABE}$ is $145^\circ$, calculate $\angle \text{ABC}$.
A) $20^\circ$  
B) $30^\circ$  
C) $50^\circ$  
D) $70^\circ$  
E) $90^\circ$

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