
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
A class meeting is preparing to select 4 students to speak from a group of 7 students, labeled A, B, etc. The requirements are that at least one of A and B must participate, and when A and B both participate, their speeches cannot be adjacent. The number of different speaking orders is _______ (please answer with a number).

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