
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 $[[120,60,180],[4,2,6],[20,10,30]]$?
A) 0  
B) 1  
C) 1.5  
D) 2  
E) 2.5

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