
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 $f(x)=(\log_{m}x)^{2}+2\log_{m}x-3$ $(m > 0$ and $m\neq 1)$.
- (I) When $m=2$, solve the inequality $f(x) < 0$;
- (II) If $f(x) < 0$ always holds in the interval $[2,4]$, find the range of the real number $m$.

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