
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
Fiona is now observing a group of twelve college students. She wants to guess the relationship between any two students in terms of whether they are project partners or not. How many pairs of students can she observe before she exhausts all possible pairs?

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