
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
The function $f(x)$ is defined on $(-1,1)$ and satisfies $f(x+y)=f(x)+f(y)$ for any real numbers $x$ and $y$.
(I) Determine the parity of the function $f(x)$;
(II) Solve the inequality $f(\log_{2}x-1)+f(\log_{2}x) < 0$ with respect to $x$.

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