You would use vous, since M. Bernard means Mr. Bernard, and is formal. Generally if you're addressing someone as "Mme." "M." or "Mlle.", it's formal.
When comparing poems, one key thing that would actually be very good to do would be the fact of always finding relations in each poem that you would be seeing. Find key points in the poem that would also be the same as the other poem in order to compare them and to also find the relation.
In French it would be <span>Choisissez la radio Internet dans le menu contextuel en haut à gauche. Si vous ne voyez pas la radio Internet, choisissez Modifier le menu, sélectionnez Radio Internet, puis cliquez sur Terminé.
Pour voir les stations disponibles, cliquez sur le triangle à côté du type de musique que vous souhaitez écouter.
Pour syntoniser, double-cliquez sur une station.
</span>
In English it would be Choose Internet Radio from the pop-up menu at the top left. If you don't see Internet Radio, choose Edit Menu, select Internet Radio, then click Done.To see the available stations, click the triangle next to the type of music you want to listen to.To tune in, double-click a station.