
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
Select 4 students from 5 to participate in a charity event on Friday, Saturday, and Sunday, with each person attending one day. It is required that 2 people participate on Friday, and 1 person each on Saturday and Sunday. How many different ways are there to arrange this?

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