On the other hand, I do not have the hard evidence at hand and assume that the RHD does.
( ( On ( the ( other hand ) ) ) ( , ( I ( ( ( do not ) ( ( ( have ( ( the ( hard evidence ) ) ( at hand ) ) ) and ) ( assume ( that ( ( the RHD ) does ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN On) (NP (DT the) (JJ other) (NN hand))) (, ,) (NP (PRP I)) (VP (VBP do) (RB not) (VP (VP (VB have) (NP (NP (DT the) (JJ hard) (NN evidence)) (PP (IN at) (NP (NN hand))))) (CC and) (VP (VB assume) (SBAR (IN that) (S (NP (DT the) (NNP RHD)) (VP (VBZ does))))))) (. .)))
The hard evidence is asuumed to be not kept by the RHD
( ( The ( hard evidence ) ) ( is ( asuumed ( to ( be ( not ( kept ( by ( the RHD ) ) ) ) ) ) ) ) )
(ROOT (S (NP (DT The) (JJ hard) (NN evidence)) (VP (VBZ is) (VP (VBN asuumed) (S (VP (TO to) (VP (VB be) (VP (RB not) (VBN kept) (PP (IN by) (NP (DT the) (NNP RHD)))))))))))