{HEAD ~ Each} of {TAIL ~ the interface elements} 330 1 330 3 corresponds to an interaction with Candidate 2 
of
{ HEAD ~ Each } of { TAIL ~ the interface elements } 330 1 330 3 corresponds to an interaction with Candidate 2
HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH