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. 

Build a satellite. Attach a rocket. Add rocket fuel. Launch rocket. Satellite goes into orbit. 
satellite ,rocket ,rocket fuel 

Rock begins as magma from a volcano. The magma cools. Crystals form and the magma become igneous rocks. The igneous rocks break down into sediment. Become sedimentary rocks. If subjected to heat and/or pressure from plate-tectonic activity the sedimentary rocks become metamorphic rock. The metamorphic rocks melt. Become magma again. 
magma ,crystals ,igneous rocks ,sediment ,sedimentary rocks ,metamorphic rocks ,rock 

First you dig a whole. You place a pumpkin seed in the hole. You put some dirt over the seed. You water the seed. The seed will sprout. A vine will grow. The vine will flower. Pumpkins will appear where the flowers were. 

pumpkin seed ,vine ,flower