
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
In the study of the relationship between smoking and lung cancer, after collecting and analyzing data, it was concluded that "there is more than 99% confidence that smoking is related to lung cancer." Regarding the following statements: (1) Among 100 smokers, at least 99 people have lung cancer; (2) If a person smokes, then this person has a 99% probability of having lung cancer; (3) Among 100 smokers, there must be people who have lung cancer; (4) Among 100 smokers, it is possible that not a single person has lung cancer. The correct statements are \_\_\_\_\_\_ . (Fill in all the correct serial numbers)

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