The scores are then aggregated to rate {HEAD ~ the event type} in {TAIL ~ addition} to scoring the individual event instances 
in
The scores are then aggregated to rate { HEAD ~ the event type } in { TAIL ~ addition } to scoring the individual event instances
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH