
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 pedestrian left point $A$ for point $B$. After 1 hour and 24 minutes, a cyclist left point $A$ for point $B$ in the same direction. An hour later, the cyclist was 1 km behind the pedestrian, and another hour later, the cyclist had half the distance to $B$ remaining compared to the pedestrian. Find the speeds of the pedestrian and the cyclist, given that the distance $A$ to $B$ is 27 km.

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