Step $1$ of the logical design phase involves creating relations for strong entities. A strong entity $($see page $117$ of Coronel et al$.,2020)$ refers to a table that can be uniquely identified by its attributes without requiring any relationship with other entities. Therefore, a strong entity can exist on its own and is independent.

$3\mathrm{.}1\mathrm{.}1.$

Examine the POS$\_$Device entity as illustrated below. Formulate the POS$\_$DEVICE$\_$STUDENT NUMBER relation.