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. 

Ex Input:
A forest fire starts. The fire surrounds the vicinity. The animals are trapped. Those that survive have their habitat destroyed. The survivors must find a new habitat. Conflict with other animals occur. 

Ex Output:
forest fire ,animals ,habitat 


Ex Input:
Magma rises through surrounding rock. Gas bubbles form and expand, causing lots of pressure. This pressure pushes the magma through weak spots in the earth's surface,. Magma flows out as lava. This can happen slowly or in a huge explosion. 

Ex Output:
magma ,gas bubbles ,pressure ,lava 


Ex Input:
Animals and plants die in soft soil or mud. Sediment builds up over the remains. The remains decompose, leaving only trace amounts. The remaining parts over the years are replaced with mineral. A fossil is formed. 

Ex Output:

animals ,plants ,sediment ,remains ,mineral ,fossil