
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
We want to arrange  $7$  students to attend  $5$  sports events, but students  $A$  and  $B$  can't take part in the same event, every event has its own participants, and every student can only attend one event. How many arrangements are there?

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