<|system|>
A standard die is rolled. What is the probability that the number shown is not an even prime?</s>.
<|user|>
Can you answer based on context?
<|assistant|>
Note that the only even prime is 2. The probabilty of rolling a 2 is $\frac{1}{6}$, so the probabilty of not rolling a 2 is $1-\frac{1}{6} = \frac{5}{6}$.