
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
A piece of graph paper is folded once so that $(0,3)$ is matched with $(5,0)$, and $(8,5)$ is matched with $(m,n)$. Find the value of $m+n$.
A) 10.2  
B) 10.3  
C) 10.4  
D) 10.5

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