what `` empire '' lacks in depth it makes up for with its heart . 
(ROOT (S (SBAR (WHNP (WP what)) (S (`` ``) (NP (NN empire)) ('' '') (VP (VBZ lacks) (PP (IN in) (NP (NN depth)))))) (NP (PRP it)) (VP (VBZ makes) (PRT (RP up)) (PP (IN for)) (PP (IN with) (NP (PRP$ its) (NN heart)))) (. .)))
(ROOT (S (SBAR (WHNP (WP )) (S (`` ) (NP (NN )) ('' ) (VP (VBZ ) (PP (IN ) (NP (NN )))))) (NP (PRP )) (VP (VBZ ) (PRT (RP )) (PP (IN )) (PP (IN ) (NP (PRP$ ) (NN )))) (. )))