
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
Imagine a structure created by joining nine unit cubes. A central cube is surrounded symmetrically on all faces (except the bottom) by the other eight cubes, forming a large plus sign shape when viewed from the top. What is the ratio of the volume in cubic units to the surface area in square units?
A) \( \frac{9}{30} \)
B) \( \frac{9}{31} \)
C) \( \frac{9}{32} \)
D) \( \frac{9}{33} \)

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