
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
Let the universal set \\(U=\mathbb{R}\\), and the sets \\(A=\{x|x < -1\text{ or }2\leqslant x < 3\}\\), \\(B=\{x|-2\leqslant x < 4\}\\). Then, \\((\complement_{U}A)\cup B=\\) \_\_\_\_\_\_.

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