
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 rectangular garden measures 40m by 8m and contains two congruent isosceles right triangular flower beds alongside parallel sides of a trapezoidal lawn. The shorter parallel side of the trapezoid measures 10m less than the longer side. There is also a square sandbox with side length of 5m located between the flower beds. What fraction of the garden is occupied by the flower beds and the sandbox?
A) $\frac{1}{4}$
B) $\frac{1}{8}$
C) $\frac{1}{16}$
D) $\frac{5}{32}$
E) $\frac{1}{5}$

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