
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 $y=g(x)$ satisfies $g(x+2)=-g(x)$, and the expression of $f(x)$ is given by $f(x)= \begin{cases} \log_{2}x, & 0 < x < 2 \\ g(x), & -2 < x < 0 \end{cases}$, find the value of $g(-2017)$.

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