A line segment of length $5$ has one endpoint at $(1, 2)$ and the other endpoint at $(4, b)$. Find all possible values of $b$, separated by commas.
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
A line segment of length $5$ has one endpoint at $(1, 2)$ and the other endpoint at $(4, b)$. Find all possible values of $b$, separated by commas.
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
6, -2
A line segment of length $5$ has one endpoint at $(1, 2)$ and the other endpoint at $(4, b)$. Find all possible values of $b$, separated by commas.
train