
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
Every January 1, a biologist counts the number of sparrows in a regional park. She observes that the number is decreasing by 30% each year. If this trend continues, in what year will the census indicate that the number of sparrows is less than 20% of what it was on January 1, 2010?

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