
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 family album, there are ten photographs. Each photograph features three people: a man standing in the center, his son to the left of him, and his brother to the right. What is the minimum number of different people that can be depicted in these photographs, given that all ten men standing in the center are different?

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