
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
The ratio of the number of students in the first, second, and third grades of a certain school is $3:3:4$. Now, using stratified sampling, a sample of $50$ students is to be drawn from the students of the three grades in the high school. How many students should be drawn from the third grade?

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