
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
Consider a $6 \times 5 \times 2$ rectangular parallelepiped. Vertices $P$, $Q$, and $R$ are adjacent to vertex $S$. The perpendicular distance from $S$ to the plane containing $P$, $Q$, and $R$ is closest to:
A) 3.6
B) 3.7
C) 3.8
D) 3.9
E) 4.0

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