
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 out of 6 people to visit Huangguoshu, Xiaoqikong, Xijiang Miao Village, and Fanjingshan within the province, with the requirement that each place is visited by one person, each person visits only one place, and among these 6 people, A and B cannot visit Xijiang Miao Village. Calculate the total number of different selection schemes.

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