
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
Let set $A$ consist of three elements: $1$, $-2$, and $a^2-1$. Set $B$ consists of three elements: $1$, $a^2-3a$, and $0$. If $A=B$, then the real number $a= \boxed{\text{answer}}$.

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