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:
There is a fetus in the womb. They are born and are a baby. The baby grows into a child. Puberty turns the child into an adolescent. The adolescent becomes an adult. An adult becomes an elderly person. The elderly person dies.

Ex Output:
fetus ,baby ,child ,adolescent ,adult ,elderly person

Ex Input:
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.

Ex Output:
gases ,pressure ,magma; molten magma ,volcano

Ex Input:
Add dirty laundry to the washing machine. Add laundry detergent to the washing machine. Select the setting for the load of laundry. Close the door of the washing machine. Turn on the washing machine.

Ex Output:
dirty laundry ,laundry detergent