Mule Bone
Mule Bone: A Comedy of Negro Life is a 1930 play by American authors Langston Hughes and Zora Neale Hurston . 
<triplet> Mule Bone <subj> play <obj> instance of <subj> Langston Hughes <obj> author <triplet> Zora Neale Hurston <subj> American <obj> country of citizenship