
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 sets A={x|a-1＜x＜2a+1} and B={x|0＜x＜1}.
(I) If $a= \frac {1}{2}$, find A∩B.
(II) If set A is not empty and A∩B=∅, find the range of real number a.

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