Sid explained his theory to Mark but he couldn't understand him.
Sid explained his theory to Mark but he couldn't understand him.
nsubj
Number=Sing
Sid
Sid
PROPN
NNP
root
Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin
explain
explained
VERB
VBD
nmod:poss
Case=Gen|Gender=Masc|Number=Sing|Person=3|Poss=Yes|PronType=Prs
his
his
PRON
PRP$
obj
Number=Sing
theory
theory
NOUN
NN
case
to
to
ADP
IN
obl
Number=Sing
Mark
Mark
PROPN
NNP
cc
but
but
CCONJ
CC
nsubj
Case=Nom|Gender=Masc|Number=Sing|Person=3|PronType=Prs
he
he
PRON
PRP
aux
VerbForm=Fin
could
could
AUX
MD
advmod
not
n't
PART
RB
conj
VerbForm=Inf
understand
understand
VERB
VB
obj
Case=Acc|Gender=Masc|Number=Sing|Person=3|PronType=Prs
he
him
PRON
PRP
punct
.
.
PUNCT
.