
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
Four friends—Carla, David, Ella, and Frank—begin jogging around a circular track at 7:00 A.M. Carla completes a lap every 3 minutes, David every 5 minutes, Ella every 9 minutes, and Frank every 10 minutes. Determine the first time after 7:00 A.M. they all meet at the starting point again.

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