
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
A farm planted an experimental crop on three types of land: 150 acres on flat land, 30 acres on ditch land, and 90 acres on sloped land. To study this experimental crop, they plan to sample 18 acres for research. Which sampling method would be more reasonable, and how many acres should be sampled from each type of land?

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