TASK DEFINITION: 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. 
PROBLEM: Add water to a pot. Put the pot over a source of heat. Turn the heat on. Wait for a few minutes. Begin to observe small bubbles in the water. Wait until the water starts to bubble a lot. Wait until you can see steam rising from the water. Turn the heat source off. Take the pot off of the heat source. 

SOLUTION: water ,pot ,steam ,heat ,small bubbles ,boiling water 

PROBLEM: Bacteria enters the body. Bloodstream. Cells in the body are attacked. Cells are killed. Different kinds of sickness are formed. 

SOLUTION: bacteria ,cells ,sickness 

PROBLEM: Waves hit the coast. Waves have energy that pushes the water and sediment. The sediment can help erode land like sandpaper. Water washes the sediment back. Some sediment is left as sand. 

SOLUTION:
waves ,coast ,water ,sediment ,land ,sand 

