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:
The liver takes in blood from the rest of the body. The liver uses enzymes to clean the blood. The cleaned blood is expelled. The liver creates bile from the items filtered. The liver takes energy and stores it as glycogen. The bile is sent to the intestines. 

Ex Output:
blood ,cleaned blood ,items filtered ,bile ,energy ,glycogen 


Ex Input:
Tectonic plates smash together. The edges of the plates crumple up. The ridges are mountain ranges. Magma is forced to the surface. Magma forms a volcano. 

Ex Output:
magma ,tectonic plates ,volcano 


Ex Input:
Bees land on flowers and eat the nectar of the plants. While on the flowers pollen gets on the bee's fur. The bee flies to another area with other flowers. The pollen is deposited in that area. A plant is able to reproduce. 

Ex Output:

bee ,nectar ,pollen