
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
Calculate $f\{f[f(-1)]\}$, where $f(x)$ is defined as follows:
\[ 
f(x)= 
\begin{cases} 
x^2, & \text{if } x > 0 \\
\pi, & \text{if } x=0 \\
0, & \text{if } x < 0
\end{cases} 
\]

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