satisfies , as comfort food often can 
(ROOT (S (VP (VBZ satisfies)) (, ,) (SBAR (IN as) (S (NP (NN comfort) (NN food)) (ADVP (RB often)) (VP (MD can))))))
(ROOT (S (VP (VBZ )) (, ) (SBAR (IN ) (S (NP (NN ) (NN )) (ADVP (RB )) (VP (MD ))))))