
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
Two cars, an Audi and a BMW, are moving at equal constant speeds on two intersecting roads. It was found that both at 17:00 and 18:00, the BMW was twice as far from the intersection as the Audi. At what time could the Audi have crossed the intersection?

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