
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 math test, each of the 25 students could receive one of four grades: 2, 3, 4, or 5. It was found that the number of students who received a grade of 4 is 4 more than the number of students who received a grade of 3. How many students received a grade of 2, given that the sum of all grades for the test is 121?

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