
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 two sets $A = \{ x \mid x^2 - 5x - 14 \leq 0 \}$ and $B = \{ x \mid m + 1 < x < 2m - 1 \}$. If $A \cup B = A$, find the range of the real number $m$.

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