
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 bus, a train, and a plane depart at the same time from city A to city B. If I take the bus, which has an average speed of 100 km/h, I will arrive at city B at 20:00. If I take the train, which has an average speed of 300 km/h, I will arrive at city B at 14:00. At what time will I arrive if I take the plane, which has an average speed of 900 km/h?

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