
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
A large rectangular region measures 15 units by 20 units. One fourth of this rectangle is shaded. What fraction of the shaded section is one half of this quarter rectangle? What is the fraction of the entire large rectangle that is shaded?
A) $\frac{1}{12}$
B) $\frac{1}{10}$
C) $\frac{1}{8}$
D) $\frac{1}{6}$
E) $\frac{1}{4}$

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