
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
Given the function $f(x)=\begin{cases} \frac{1}{{x}^{2}}, & x < 1 \\ \log_{2}(x+4), & x\geqslant 1\end{cases}$, evaluate the composition $f\left( f\left( \frac{1}{2} \right) \right)$.

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