
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
If a new operation "$\triangle$" is defined such that for any rational numbers $a$ and $b$, $a\triangle b = b - a$, for example, $3\triangle 2 = 2 - 3 = -1$. Find the value of $(-\frac{5}{6})\triangle (\frac{1}{2})$.

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