demodulating {HEAD ~ the modulated signal} supplied to {TAIL ~ the second electrode} in the second liquid container 
supplied to
demodulating { HEAD ~ the modulated signal } supplied to { TAIL ~ the second electrode } in the second liquid container
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH