Sorry but that's how it is.
( Sorry ( but ( ( that ( 's ( how ( it is ) ) ) ) . ) ) )
(ROOT (FRAG (ADVP (RB Sorry)) (SBAR (CC but) (WHNP (WDT that)) (S (VP (VBZ 's) (SBAR (WHADVP (WRB how)) (S (NP (PRP it)) (VP (VBZ is)))))) (. .))))
Sorry, but there are changes that need to be made.
( Sorry ( , ( ( but ( there ( are ( changes ( that ( need ( to ( be made ) ) ) ) ) ) ) ) . ) ) )
(ROOT (S (ADVP (RB Sorry)) (, ,) (S (CC but) (NP (EX there)) (VP (VBP are) (NP (NP (NNS changes)) (SBAR (WHNP (WDT that)) (S (VP (VBP need) (S (VP (TO to) (VP (VB be) (VP (VBN made))))))))))) (. .)))