
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
Ten socks, colored blue, brown, black, red, purple, green, orange, pink, yellow, and gray are in a drawer. In how many different ways can we choose four socks from the drawer if the order of the socks does not matter and at least one of them must be red?

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