What is the relationship between Wella and hair care in the context of the input sentence. Choose an answer from: product/material produced; manufacturer; distributed by; industry; position held; original broadcaster; owned by; founded by; distribution format; headquarters location; stock exchange; currency; parent organization; chief executive officer; director/manager; owner of; operator; member of; employer; chairperson; platform; subsidiary; legal form; publisher; developer; brand; business division; location of formation; creator.

“We suspect the performance in this category could prove lumpy, given the fierce competitive dynamics of the U.S. hair care space, and it will take a few more quarters until we can get a sense whether this improvement is sustainable.” The other brands included in P&G’s deal with Coty are Sebastian Professional, Clairol Professional, Sassoon Professional, Nioxin, SP (System Professional), Koleston, Soft Color, Color Charm, Wellaton, Natural Instincts, Nice & Easy, VS Salonist, VS ProSeries Color, Londa/Kadus, Miss Clairol, L’image, Bellady, Blondor, Welloxon, Shockwaves, New Wave, Design, Silvikrin, Wellaflex, Forte, Wella Styling, Wella Trend, Balsam Color, Hugo Boss, Dolce & Gabbana, Gucci, Lacoste, Bruno Banani, Christina Aguilera, Escada, Gabriela Sabatini, James Bond 007, Mexx, Stella McCartney and Alexander McQueen.

Answer: product_or_material_produced