
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
If three-fifths of the earth's surface is covered by bodies of water, and only two-thirds of the remaining land area is inhabitable for humans because of geographical constraints (poles, deserts, etc.), what fraction of the earth's surface can humans live on if half of this habitable land is further reserved for agriculture?

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