
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
In a right triangle, the hypotenuse $c$ is 2 units longer than one of the legs $a$. What is the square of the other leg $b$?
**A)** $4a + 4$  
**B)** $4a$  
**C)** $2a + 2$  
**D)** $4(a + 1)$  
**E)** None of these

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