
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
Helena has two storage tanks. The first tank is $\frac{3}{4}$ full of oil and the second tank is initially empty. After transferring all the oil from the first tank into the second tank, the second tank becomes $\frac{5}{8}$ full. What is the ratio of the volume of the first tank to that of the second tank?
**A)** $\frac{3}{4}$
**B)** $\frac{4}{5}$
**C)** $\frac{5}{6}$
**D)** $\frac{7}{8}$
**E)** $\frac{9}{10}$

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