
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
The 12th National Games of the People's Republic of China will be held in Liaoning from August 31st to September 12th, 2013. The task is to divide five volunteers named A, B, C, D, and E into three groups to serve at three different venues. Each venue must have at least one person. Volunteers A and B cannot be assigned to the same group, and similarly, volunteers C and D cannot be in the same group. How many different assignment plans are there?

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