Give me a UML Class Diagram by this ER model

$2\mathrm{.}2$ Product Features

The major features of the educational platform database system as depicted in the entity$-$relationship model $($ER model$)$ below include:

$\backslash$table$[[$s$],[$JK$],[2],[$XT$],[$ETIME$],[$ETIME$],[$HAR$]]$