
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
Charlie and Diana each buy cat food in cylindrical cans. Charlie’s cans are 8 cm in diameter and 16 cm high. Diana’s cans are 16 cm in diameter and 8 cm high. What is the ratio of the volume of one of Charlie's cans to the volume of one of Diana's cans?
A) 1:4
B) 1:2
C) 1:1
D) 2:1
E) 4:1

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