
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 psychology class, the professor asks 12 students to participate in a paired discussion activity. Each student must pair up with every other student exactly once during the session. How many unique pairs of students can be formed from the class?

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