
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
Consider an even number larger than 7 and the representation of this number as the sum of two different prime numbers. For the number 172, what is the largest possible difference between the two primes that sum to it?
**A)** 150
**B)** 155
**C)** 162
**D)** 165
**E)** 170

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