<|system|>
Evaluate: $[1-(-1)^{11}]^2.$</s>.
<|user|>
Can you answer based on context?
<|assistant|>
Since $-1$ raised to any odd power equals $-1$, we have $[1-(-1)^{11}]^2 = [1 -(-1)]^2 = [1+1]^2 = 2^2 = 4$.