
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
There are 60 pieces of wood in a black box, all of the same size and shape. Every 15 pieces are painted the same color. What is the minimum number of pieces that need to be taken out at once to ensure that at least 2 pieces have the same color?

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