drinks $($ali$,$ pepsi$).$

drinks $($samir$,$ lemonada$).$

drinks $($ahmad$,$ milk$).$

$$ To add the fact that all persons drink water:

drinks $($Everyone$,$ water$).$

$$ If we put a goal like:

drinks $($samy$,$ water$).$

drinks $($ahmad$,$ water$).$