
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
Suppose each of five sticks is broken into a long part and a short part. The ten parts are arranged into five pairs and glued back together so that again there are five sticks. What is the probability that each long part will be paired with a short part?

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