
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
Four cars \( A, B, C, \) and \( D \) travel at constant speeds on the same road (not necessarily in the same direction). Car \( A \) passed \( B \) and \( C \) at 8am and 9am, respectively, and met \( D \) at 10am. Car \( D \) met \( B \) and \( C \) at 12pm and 2pm, respectively. Determine at what time \( B \) passed \( C \).

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