
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
A map of a city where David, Emma, and Felix live is represented by a Cartesian plane. David is located at $(2, -25)$, and Emma is located at $(-3, 19)$. They decide to meet at a point that is equidistant from their starting locations and then walk directly downwards together to reach Felix's location at $\left(-\frac{1}{2}, -6\right)$. How many units do David and Emma walk downwards together to reach Felix?

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