a device configured to provide contents including an image to {HEAD ~ a first user} by making {TAIL ~ a signal} of said contents into a state capable of being sensed by said first user, 
by making
a device configured to provide contents including an image to { HEAD ~ a first user } by making { TAIL ~ a signal } of said contents into a state capable of being sensed by said first user ,
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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH