{HEAD ~ The guidance information} includes an attribute of the extracted node and {TAIL ~ an attribute} of the connection link 
includes
{ HEAD ~ The guidance information } includes an attribute of the extracted node and { TAIL ~ an attribute } of the connection link
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH