In this task, you are given a paragraph, and your job is to generate comma-separated entities present in the given paragraph. Generate entities from a given passage in such a way that (i) they are present in the paragraph, (ii) they are non-duplicate, (iii) they underwent a state change during the process. Avoid creating entities that (i) aren't present in the process paragraph and (ii) aren't significant. 

You speak into the receiver on your phone. Sound waves move parts inside the receiver. Movement causes the magnet inside to produce eletricity. Electricity is transferred through  a wire or cable. A membrane in the other persons phone is vibrated by the magnet in their telephone. Sound is produced. They hear you. 
Speak ,Sound Waves ,Electricity ,Sound 

A plant dies. Bacteria from the ground migrate to the plant material. Bacteria release enzymes onto the plant material. The enzymes break down the plant cells to simpler components. The bacteria absorb the resulting components. 
bacteria ,enzymes ,plant cells ,components 

Electricity comes into the computer from the plug. The electricity runs the components in the computer. Electricity turns the fan to keep the components cool. Heat is released from the computer. Electricity runs the computer's display. Light is formed from the electricity. 

electricity ,heat ,light