
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
On the perpendicular bisector of segment AB, a point P is located such that the distance from point P to point A is PA = 5. The distance from point P to point B, PB, is equal to which of the following options?

A．PB=5  
B．PB>5  
C．PB<5  
D．Cannot be determined

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