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. 

Q: Gases cause pressure beneath the earth. The gases come to a head and push molten magma to the surface. The magma cools. With enough time the pressure builds up greatly. The resulting volcano may explode. 

A: gases ,pressure ,magma; molten magma ,volcano 
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Q: The animal dies and the body falls down. It is not eaten by anything. The body falls in a sandy or wet place. The soil forms around the body. Time passes on and the rock forms. Millions years later the fossil forms. A person now finds the fossil. 

A: animal; body ,soil ,rock ,fossil 
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Q: The planter must select a crop. The soil is prepared properly for that specific crop. Fertilizer is added to the soil. Seeds are planted in the field. Irrigation is set up to keep the crops properly watered. The crops grow. The crops are harvested. 

A:
crops ,fertilizer ,seeds 
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