Upon detecting user selection of an item in the list, contact information is displayed for {HEAD ~ a respective caller} corresponding to {TAIL ~ the user selected item} 
corresponding to
Upon detecting user selection of an item in the list , contact information is displayed for { HEAD ~ a respective caller } corresponding to { TAIL ~ the user selected item }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL