
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
Suppose Urumqi No.1 Middle School has 160 staff members, including 16 administrative staff, 112 teachers, and 32 logistics personnel. The school wants to draw a sample of 20 people to understand opinions on institutional reform. Please write out the specific sampling process.

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