A sign in S[2][4]

hpsg_phrase
SYNSEM
hpsg_synsem
LOCAL
hpsg_local
CAT
hpsg_cat
HEAD
hpsg_noun
AGRhpsg_3sg
ADJhpsg_minus
PRDhpsg_binary
CASEhpsg_case
SPECIFIEDhpsg_binary
MODlocal_nil
POSTHEADhpsg_binary
VAL
hpsg_valence
SUBJsynsem_nil
COMPSsynsem_nil
SPRsynsem_nil
SPECsynsem_nil
CONJsynsem_nil
WHhpsg_binary
CONT
hpsg_cont
HOOK
inactive_relation
PRED
lex_entry
LEX_WORD
word
INPUT1"girl"
SURFACE2"girl"
BASE2
INPUT_POS3"NN"
POS3
BASE_POS3
POSITION43
LEX_TEMPLATE
lex_template
LEXEME_NAME"[dtNP]_lxm_2"
LEXICAL_RULESnil
RELSrelation_nil
MSGmessage
CONXbot
NONLOCAL
hpsg_nonlocal
INHER
hpsg_nonlocal1
QUElocal_list
SLASHlocal_nil
RELlocal_nil
F_RELlocal_list
TO_BINDhpsg_nonlocal1
PROB_FEATURE
hpsg_prob_feature
L_ADJAC
hpsg_adjac
BOUND_COMMAhpsg_minus
BOUND_POSITION2
BOUND_POS"DT"
R_ADJAC
hpsg_adjac
BOUND_COMMAhpsg_minus
BOUND_POSITION4
BOUND_POS3
NUM_COMMAhpsg_minus
NUM_CLAUSE0
PHON
<"a",1>
LEX_SPEC
lex_entry
LEX_WORD
word
INPUT1
SURFACE2
BASE2
INPUT_POS3
POS3
BASE_POS3
POSITION4
LEX_TEMPLATE
lex_template
LEXEME_NAME"[dtNP]_lxm_2"
LEXICAL_RULESnil
DTRShpsg_dtrs