$A$ die has two faces each with number $1$,three faces each with number $2$,and one face with number $3$. If the die is rolled once,determine $P(1 \text{ or } 3)$.
- A$\frac{1}{2}$
- B$\frac{1}{3}$
- C$\frac{2}{3}$
- D$\frac{1}{6}$
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