
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 full score of this question is 12 points)  
Let the universal set $U=\mathbb{R}$, $A=\{x|0\leq x<8\}$, $B=\{x|1<x<9\}$, find  
(Ⅰ) $(\complement_U A)\cup B$;  
(Ⅱ) $A\cap(\complement_U B)$

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