
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
Given that 1200 fish were caught, marked, and released back into the pond, and 1000 fish were caught again with 100 of them being marked, estimate the total number of fish in the pond.

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