
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
At the foot of a mountain, there is a pond into which a mountain spring flows at a constant rate, meaning the volume of water flowing into the pond per unit of time is constant. Currently, the pond has a certain depth of water. If one A-type pump is used, it would take exactly 1 hour to pump all the water out of the pond. If two A-type pumps are used, it would take exactly 20 minutes to pump all the water out. The question is, how long would it take to pump all the water out if three A-type pumps are used simultaneously?

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