
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 that $\sin \alpha= \frac {2m-5}{m+1}$ and $\cos \alpha=-\frac {m}{m+1}$, where $\alpha$ is an angle in the second quadrant, find the permissible value(s) of $m$.

A) $\frac {5}{2} < m < 6$
B) $-6 < m < \frac {5}{2}$
C) $m=4$
D) $m=4$ or $m= \frac {3}{2}$

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