A reservation on at least one of the displayed electronic images can be made to prevent the completion of {HEAD ~ a sale transaction} involving {TAIL ~ the artwork} corresponding to the selected reserved electronic image 
involving
A reservation on at least one of the displayed electronic images can be made to prevent the completion of { HEAD ~ a sale transaction } involving { TAIL ~ the artwork } corresponding to the selected reserved electronic image
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH