Japanese Kit Kats
... that the best-selling flavor of Japanese Kit Kats in 2010 was soy sauce?
... that the best-selling flavor of <b id="mwA_4"><a href="./Kit_Kats_in_Japan" id="mwA_8" rel="mw:WikiLink" title="Kit Kats in Japan">Japanese Kit Kats</a></b> in 2010 was <a href="./Soy_sauce" id="mwBAA" rel="mw:WikiLink" title="Soy sauce">soy sauce</a>?