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. 
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Question: The salt water is heated. As the saltwater is heated the water becomes a gas. The salt particles sink to the bottom of the container. Gaseous water is piped into another container. Allowed to cool. The salt particles are left behind in the first container. The second container contains fresh water. 

Answer: salt water ,gas ,gaseous water ,salt particles ,fresh water 


Question: A stream or river must occur. Through erosion, the stream cuts into the soil and bedrock. Through continuous erosion, a deep gash is cut through. After many years the river may dry up. A dry ravine is left. 

Answer: stream; river ,soil; bedrock ,gash ,dry ravine 


Question: You start with a glacier. Through warming or other methods a chunk is taken off the glacier. The chunk drifts into the sea. And it settles where it can remain in its state. It is considered an iceberg. 

Answer:
Glacier ,Chunk ,iceberg