Gruel
Gruel is a food consisting of some type of cereal—such as ground oats , wheat , rye or rice—boiled in water or milk . 
<triplet> Gruel <subj> cereal <obj> has part <triplet> oats <subj> cereal <obj> subclass of <triplet> wheat <subj> cereal <obj> subclass of <triplet> rye <subj> cereal <obj> subclass of <triplet> rice <subj> cereal <obj> subclass of