
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 train arrives randomly sometime between 3:00 and 4:00 PM and waits for 15 minutes before leaving. If John arrives randomly between 3:15 and 4:15 PM, what is the probability that the train will still be there when John arrives?

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