
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 an integral base \( b \), the number \( 141_b \) is the square of an integer. For which of the following values of \( b \) does this hold true?
**A)** \( b = 5 \,\text{only} \)  
**B)** \( b > 5 \)  
**C)** \( b > 4 \)  
**D)** \( 2 \leq b \leq 10 \)  
**E)** \( \text{no value of } b \)

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