
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
For any two sets $A$ and $B$, define $A-B=\{x|x\in A$ and $x\notin B\}$, $A*B=(A-B)\cup(B-A)$. Let $A=\{y|y\geqslant 0\}$, $B=\{x|-3\leqslant x\leqslant 3\}$, then $A*B=$\_\_\_\_\_\_\_\_.

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