
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
John aims to achieve a "B" grade in at least 70% of his 60 mathematics tests during the semester. He managed to secure a "B" grade in 25 out of the first 40 tests. To still meet his semester goal, on at most how many of the remaining tests can he score lower than a "B"?
**A) 1**      
**B) 2**      
**C) 3**      
**D) 4**      
**E) 5**

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