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