+------------------------------------------MOD_PRED:N-ADJ------------------------------------------+                       
                          |                                                   +-------COMP_by:V_PASS-N------+                |                       
       +----MOD_ATT:N-N---+-------------------SUBJ:V_PASS-N-------------------+            +--MOD_ATT:N-ADJ-+                |                       
       |           +MOD_AT+SUBJ:V_PASS-+---COMP_in:V_PASS-N---+               |            |       +MOD_ATT:+                +COMP_to:+-OBJ:V-N+     
       |           |      |            |                      |               |            |       |        |                |        |        |     
The GENEXXX and GENEXXX genes are transcribed in the same direction , are separated by a short intergenic region , and are likely to form an operon .
COMP_to:ADJ-V (likely,form)
MOD_ATT:N-ADJ (region,short)
COMP_by:V_PASS-N (separated,region)
SUBJ:V_PASS-N (transcribed,genes)
MOD_ATT:N-N (genes,GENEXXX)
COMP_in:V_PASS-N (transcribed,direction)
MOD_PRED:N-ADJ (genes,likely)
MOD_ATT:N-ADJ (region,intergenic)
SUBJ:V_PASS-N (separated,genes)
MOD_ATT:N-N (genes,GENEXXX)
OBJ:V-N (form,operon)