
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 | x^2 + x - 2 < 0} and B = {x | x^2 + 2mx + m^2 - 1 < 0}.
1. Find the range of real number m if (A') ∩ B = ∅.
2. Find A ∪ B if set A ∩ B contains only one integer element.

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