what it lacks in substance it makes up for in heart . 
(ROOT (S (SBAR (WHNP (WP what)) (S (NP (PRP it)) (VP (VBZ lacks) (PP (IN in) (NP (NN substance)))))) (NP (PRP it)) (VP (VBZ makes) (PRT (RP up)) (PP (IN for)) (PP (IN in) (NP (NN heart)))) (. .)))
(ROOT (S (SBAR (WHNP (WP )) (S (NP (PRP )) (VP (VBZ ) (PP (IN ) (NP (NN )))))) (NP (PRP )) (VP (VBZ ) (PRT (RP )) (PP (IN )) (PP (IN ) (NP (NN )))) (. )))