
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
From five people including A and B, select 3 people to participate in competitions for three different projects. It is required that each project has at least one participant. The number of different participation schemes where at least one person from A and B is selected is ______.

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