
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
Anderson left the hotel in San Remo at 9 o'clock and was on the road for a whole hour when Baxter set off after him along the same path. Baxter's dog started simultaneously with its owner and ran back and forth between him and Anderson until Baxter caught up with Anderson. Anderson's speed is 2 km/h, Baxter's is 4 km/h, and the dog's is 10 km/h. How many kilometers did the dog run by the time Baxter caught up with Anderson?

Neglect the length of the dog and the time taken to turn around.

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