
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
Derek has invited 6 friends to a theme park. They all want to play a team game, but the game requires teams of 4 players. How many different teams of four can the seven of them (including Derek) make?

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