
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
In a city, there are 500 schools, including 10 universities, 200 middle schools, and 290 primary schools. Now, 50 schools are selected as a sample for a survey, using stratified sampling. The number of universities, middle schools, and primary schools to be selected should be \_\_\_\_\_\_\_\_\_\_, \_\_\_\_\_\_\_\_\_\_, and \_\_\_\_\_\_\_\_\_\_ respectively.

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