
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 coordinate plane, point A is moved to $(15, 0)$ and point B remains at $(0, 0)$ with point D at $(8, 6)$. Calculate the sum of the distances $AD$ and $BD$.
A) between 18 and 19
B) between 19 and 20
C) between 20 and 21
D) between 21 and 22

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