Beer style Alcoholic beverages made from the fermentation of sugars derived from non-grain sources are generally not called "beer," despite being produced by the same yeast-based biochemical reaction. Fermented honey is called "mead", fermented apple juice is called "cider", fermented pear juice is called "perry" (sometimes, "pear cider"), fermented plum juice is called "plum jerkum", and fermented grape juice is called "wine". Chinese "jiu" and Japanese "sake" are made using much the same process as beer with one additional step in the fermentation as well as using rice instead of primarily barley malt. Most beer styles fall into types roughly according to
What Love Is Made Of extremely positive about "What Love Is Made Of", describing it as "darker than anything" from "On a Mission", while calling it "slinky". The reviewer went on to commend the "irresistibly pouty" chorus. Pitchfork Media's Katherine St. Asaph commented that, in the song, the singer "sound[ed] completely enthralled, by either her lover or the music" and complimented her voice, noting that it seemed "ten times bigger than before". Jordan Sargent of "Spin" magazine called the track "exuberant" and highlighted Katy's vocal performance, which he deemed "typically fantastic", while the team from pop music website Popjustice gave "What Love Is Made Of"