
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 circular arena consists of an external running track (light brown), a ring-shaped seating area (dark brown) surrounding a central oval pitch (green). The running track is 7 feet wide at all places, the seating ring is 12 feet wide at all places, and the pitch has a major axis of 18 feet and a minor axis of 14 feet. What is the diameter, in feet, of the circle that is the outer boundary of the running track?

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