
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
Given that a mirror MN is hung on a vertical wall and a person of height AB is standing upright in front of it, determine the relationship between the sizes of MN and AB such that the full body of the person can be seen in the mirror.

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