When {HEAD ~ the lid} is in {TAIL ~ the second position} it covers only a portion of the top opening of the container 
is in
When { HEAD ~ the lid } is in { TAIL ~ the second position } it covers only a portion of the top opening of the container
OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH