
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 parking lot has 20 spaces in a row. Fifteen cars arrive, each of which requires one parking space, and their drivers choose spaces at random from among the available spaces. Uncle Ben arrives in his RV, which requires 3 adjacent spaces. What is the probability that he is able to park?
A) $\frac{273}{969}$
B) $\frac{232}{323}$
C) $\frac{143}{364}$
D) $\frac{17}{28}$
E) $\frac{58}{81}$

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