Which mapping diagram corresponds to the ordered pairs $(1,2)$, $(3,4)$, and $(1,5)$?

A diagram where $1$, $3$, and $5$ all point to $2$ and $4$

A diagram where $1$ points to $2$, $3$ points to $4$, and $5$ points to $1$

A diagram where $1$ points to $2$, and $3$ points to $4$ and $5$

A diagram where $1$ points to $2$ and $5$, and $3$ points to $4$