
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
Five painters, working at the same rate, can finish painting a large room in 2 work-days. If one of the painters is unavailable but the remaining four decide to take over a small room that takes only half as long as the large room when painted by five painters, how many work-days will it take the four painters to finish the small room?

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