
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 sports complex, two swimmers begin at opposite ends of a 120-foot pool. One swims at a rate of 4 feet per second and the other at 3 feet per second. They continuously swim back and forth for 15 minutes. Assuming no time is lost while turning, calculate how many times they pass each other.
A) 19  
B) 21  
C) 23  
D) 25

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