
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
The points \( M \) and \( N \) are located on one side of a line \( l \). Using a compass and a straightedge, construct a point \( K \) on the line \( l \) such that the sum \( MK + NK \) is minimized.

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