
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
Lines \( O A \) and \( O B \) are perpendicular. Find the set of points \( M \) that are the endpoints of broken lines \( O M \) of length 1, such that any line parallel to \( O A \) or \( O B \) intersects it at no more than one point.

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