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 Q]: A male and female bird mate. The female lays eggs. The eggs are incubated by the parents, by sitting on them, for weeks. The bird hatches from an egg. The parents feed them as the continue to grow. Develop flight feathers. The parents teach them to fly. After learning to fly they leave the nest to live on their own. The next year they breed beginning the cycle again. 
[EX A]: eggs ,bird ,flight feathers 

[EX Q]: A man and woman mate. Embryo is C. Embryo grows and develops into a fetus inside the woman's womb. The fetus is born. Begins to grow and develop through infancy and childhood. In the teenage years the human experiences puberty. Reaches sexual maturity. At 18 the human becomes an adult. Adult may procreate continuing the cycle. 
[EX A]: embryo ,fetus ,infancy and childhood ,adult 

[EX Q]: EGG. ITS LAID ON A LEAF OR PLANT. THE EGG HATCHES. THE LARVA COMES OUT(CATERPILLAR). IT BEGINS TO EAT ON THE LEAF THAT IS WAS BORN ON. CONTINUES TO EAT TO GROW QUICKLY. AFTER ITS GROWN TO FULL LENGHT IT FORMS INTO A PUPA. UNDERGOES METAMORPHOSIS TO BECOME BUTTERFLY. AFTER HE BUTTERFLY IS FOMED IT PUMPS BLOOD INTO ITS WINGS TO GAIN STRENGHT TO BE ABLE TO FLY. TH EBUTTERLFY IS FIANLLY ABLE TO FLY AWAY. 
[EX A]:
egg ,larva ; caterpillar ,pupa ,butterfly ,blood