
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 square quilt block is composed of sixteen unit squares, with some squares divided into two right-angled triangles. Calculate the fraction of the quilt that is shaded, given that the shaded triangles can be rearranged to completely cover two of the four rows of squares. Express your answer as a common fraction.

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