
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
At 1:00 PM on a particular day, Minneapolis is $N$ degrees warmer than Denver. By 5:00 PM, the temperature in Minneapolis has dropped by 3 degrees, while the temperature in Denver has risen by 4 degrees. At this time, the temperature difference between the two cities is 4 degrees. What is the product of all possible values of $N$?
A) 21  
B) 27  
C) 33  
D) 39  
E) 45

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