
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
Evaluate the simplest form of \[1 - \frac{2}{1 + \frac{2a}{1 - 2a}}.\]
**A)** $2a - 1$ for all $a$
**B)** $4a - 2$ if $a \neq \frac{1}{2}$
**C)** $4a - 1$ if $a \neq \frac{1}{2}$
**D)** $8a - 4$ if $a \neq \frac{1}{2}$
**E)** $1 - 4a$ for all $a$

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