I feel that you probably underestimate the danger, and therefore warn you again that I can promise you no protection.
( I ( ( feel ( that ( you ( probably ( ( ( ( underestimate ( the danger ) ) , ) and ) ( therefore ( ( ( warn you ) again ) ( that ( I ( can ( ( promise you ) ( no protection ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (VBP feel) (SBAR (IN that) (S (NP (PRP you)) (ADVP (RB probably)) (VP (VP (VB underestimate) (NP (DT the) (NN danger))) (, ,) (CC and) (VP (ADVP (RB therefore)) (VB warn) (NP (PRP you)) (ADVP (RB again)) (SBAR (IN that) (S (NP (PRP I)) (VP (MD can) (VP (VB promise) (NP (PRP you)) (NP (DT no) (NN protection))))))))))) (. .)))
I warn you again, that I can promise you no protection, as I feel that you probably underestimate the danger.
( I ( ( ( ( ( warn you ) again ) , ) ( that ( I ( can ( ( promise you ) ( ( ( no protection ) , ) ( as ( I ( feel ( that ( you ( probably ( underestimate ( the danger ) ) ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (VBP warn) (NP (PRP you)) (ADVP (RB again)) (, ,) (SBAR (IN that) (S (NP (PRP I)) (VP (MD can) (VP (VB promise) (NP (PRP you)) (NP (NP (DT no) (NN protection)) (, ,) (SBAR (IN as) (S (NP (PRP I)) (VP (VBP feel) (SBAR (IN that) (S (NP (PRP you)) (ADVP (RB probably)) (VP (VBP underestimate) (NP (DT the) (NN danger)))))))))))))) (. .)))