{HEAD ~ The fingerprint} is indicative of {TAIL ~ the structure} of the markup language code in the document 
is indicative of
{ HEAD ~ The fingerprint } is indicative of { TAIL ~ the structure } of the markup language code in the document
HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH