
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 $A=\{-2, 1\}$, $B=\{-1, 2\}$. Define the set $A \otimes B = \{x | x = x_1 \cdot x_2 (x_1 + x_2)\}$, where $x_1 \in A$, $x_2 \in B$. Find the sum of all elements in the set $A \otimes B$.

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