
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
Three best friends are admitted to the same high school at the same time. There are 10 classes in the first year of high school. Calculate the probability that at least 2 of them are in the same class.

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