
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, there are two circles with centers at points \( A \) and \( B \). Additionally, points \( A \), \( B \), and \( C \) are collinear, and points \( D \), \( B \), and \( E \) are also collinear. Find the measure of the angle marked with a "?".

![Diagram](https://cdn.mathpix.com/cropped/2024_05_06_924d513b32916f055c33g-05.jpg?height=571&width=854&top_left_y=1231&top_left_x=607)

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