
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
We know the following about the city bus routes:

I. Each route has 3 stops.

II. From any route, it is possible to transfer to any other route, but only at one stop.

III. From any stop, you can reach any other stop, but only with one route.

How many bus routes are there in that city?

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