(Edited the original post a bit to not have unnecessary information.)
This happens because of the following in matrix.tdl:
; Sandy believes that Kim sleeps.
; Sandy ga Kim ga neru to shinjita.
; Sandy croit que Kim dors.
; ERB 2007-01-22 Inserting qeqs now that we no longer have messages
; intervening.
; changing: added cat-sat (PASSES all reg tests)
clausal-second-arg-trans-lex-item := basic-two-arg & one-icons-lex-item &
[ ARG-ST < [ LOCAL [ CAT cat-sat,
CONT.HOOK [ INDEX ref-ind & #ind,
ICONS-KEY.IARG1 #clause ] ] ],
[ LOCAL.CONT.HOOK [ LTOP #larg,
INDEX #target ] ] >,
SYNSEM [ LOCAL.CONT [ HOOK.CLAUSE-KEY #clause,
HCONS.LIST < qeq & [ HARG #harg,
LARG #larg ] >,
ICONS.LIST < [ IARG1 #clause, IARG2 #target ] > ],
LKEYS.KEYREL [ ARG1 #ind,
ARG2 #harg ] ] ].
See particularly the ICONS.LIST.
Does that seem wrong, then? I didn’t put it there so I am not sure…