{HEAD ~ An adder} generates {TAIL ~ a final control signal} by adding the first and the second control signals and provides the final control signal to the plant, wherein the final control signal is used to control the plant 
generates
{ HEAD ~ An adder } generates { TAIL ~ a final control signal } by adding the first and the second control signals and provides the final control signal to the plant , wherein the final control signal is used to control the plant
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH