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]: Food. Water enter the body. Bloodstream. Food and water enter the pancreas. The pancreas breaks down carbs. Helps digest other foods and liquids. 
[A]: carbs ,food ,water 


[Q]: Fuel is converted to energy when air and petrol mix. The car engine burns the mix of air and petrol. Hot gas from the burning pushes the pistons. The resulting energy powers the crankshaft. Crankshaft powers the gears. The gears make the wheels roll. 
[A]: air ,petrol; fuel ,energy ,hot gas 


[Q]: A sperm and egg meet inside a woman's fallopian tube. The fertilized egg, now a zygote, travels to the uterus. The zygote implants in the uterus. The zygote becomes an embryo. The embryo becomes a fetus. The fetus grows for approximately 9 months. The woman gives birth to a baby. The baby grows into a child. The child becomes an adult. The adult mates with another adult. 
[A]:
sperm ,egg ,fertilized egg; zygote ,embryo ,fetus ,baby ,child ,adult