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 moon orbits the earth. The earth orbits the sun. The moon comes between the sun and the earth. The sun is totally blocked. A solar eclipse is occurring. 

Ex Output:
earth ,moon ,sun ,solar eclipse 


Ex Input:
An owl leaves his nest. The owl flys out into the night. The owl looks down at the ground. The owls keen eyesight allows him to see in the dark. The owls sensitive hearing allows him to locate hidden prey. The owl swoops down. The owl catches a mouse in his talons. 

Ex Output:
owl ,mouse 


Ex Input:
Your body accomplishes "rapid hemostasis" (stops the bleeding) through a process called vasoconstriction, in which your blood vessels are closed tight. Inflammation is your body's way of alerting you of an injury. Proliferation and migration is when cells move in a certain orderto been to heel and to further contract blood vessels. and. The body then begins the process of rebuilding tissue and is called angiogenesis. It's time to begin regrowing damaged skin which is called reepithelialization. Synthesis often happens almost simultaneously as it form blood clots. Synthesis helps further prevent bleeding as new skin and veins are formed. 

Ex Output:

Cut ,Tissue ,Skin ,Blood Clots ,skin ,veins 


