
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
A small organization forms 5 different committees. They create a rule whereby each member of the organization must belong to exactly two different committees, and each pair of committees has exactly one member who belongs to both. How many members must the organization have?
A) 8
B) 9
C) 10
D) 11

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