
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
Define $[a,b,c]$ to mean $\frac{a+b}{c}$, where $c \neq 0$. What is the value of $\left[[10,5,3],[4,6,5],[8,7,5]\right]$?
A) $2$
B) $3$
C) $\frac{7}{2}$
D) $\frac{7}{3}$
E) $\frac{8}{3}$

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