
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
Xiao Hua, Xiao Li, and Xiao Xia all need to travel from place A to place B. Xiao Hua and Xiao Li set off from place A together at 6 am. Xiao Hua walks at a speed of 5 kilometers per hour, and Xiao Li walks at a speed of 4 kilometers per hour. Xiao Xia does not leave place A until 8 am. By 6 pm, Xiao Hua and Xiao Xia arrive at place B simultaneously. The question is: At what time does Xiao Xia catch up with Xiao Li?

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