In a second application executed by the virtualizing unit, {HEAD ~ the internal storage} is analyzed for {TAIL ~ the presence} of a message and, if the message is present, the message is transmitted to a receiver 
is analyzed for
In a second application executed by the virtualizing unit , { HEAD ~ the internal storage } is analyzed for { TAIL ~ the presence } of a message and , if the message is present , the message is transmitted to a receiver
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH