
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 group of four friends: Alice, Bob, Carmen, and David, where some but not all are internet friends, each of them has the same number of internet friends, and no internet friendships exist outside this group. How many different ways can this happen?
A) 5  
B) 6  
C) 7  
D) 8  
E) 9

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