
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
The probability that a certain animal lives to 20 years old from birth is 0.8, and the probability that it lives to 25 years old is 0.4. Given a 20-year-old animal, find the probability that it will live to 25 years old.

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