
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 a school has 150 teachers, including 15 senior teachers, 45 intermediate teachers, and 90 junior teachers, and 30 teachers are selected to participate in the teachers' representative conference by stratified sampling, determine the numbers of senior, intermediate, and junior teachers selected.

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