
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
During the 2012 London Olympics, a leadership group in charge of a project needs to select four volunteers from five candidates—Xiao Zhang, Xiao Zhao, Xiao Li, Xiao Luo, and Xiao Wang—to undertake four different tasks: translation, tour guiding, protocol, and driving. Knowing that Xiao Zhang and Xiao Zhao can only perform the first two tasks, while the remaining three candidates are capable of all four tasks, how many different assignment schemes are possible?

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