Detailed Instructions: 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: 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. 
A:
pumpkin seed ,vine ,flower 