
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
Mr. Zhang knows that there are three different levels of bus service from location A to location B in the morning: good, average, and poor. However, he does not know their exact schedule. His plan is as follows: He will not board the first bus he sees but will take the second one if it's more comfortable than the first one; otherwise, he will wait for the third bus. What are the probabilities that Mr. Zhang ends up on a good bus and on a poor bus, respectively?

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