
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 Shanghai Cooperation Organization summit will be held in Qingdao in June 2018. The organizing committee plans to allocate five staff members, A, B, C, D, and E, to two different locations to participate in reception work during the conference. If A and B must be in the same group, and each group must have at least 2 people, then the number of different allocation methods is ______.

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