
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 for every 1,000 meters increase in altitude, the temperature decreases by approximately 6°C, and the temperature at the altitude where a high-altitude balloon is located is measured to be -2°C, and the ground temperature is 5°C, calculate the approximate altitude of the balloon.

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