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.

Pack up your camping gear, food, and clothes. Drive to your campsite. Set up your tent. Start a fire in the fire pit. Cook your food in the fire. Put the fire out when you are finished. Go to sleep. Wake up. Put away your tent. Drive home.
camping gear ,food ,clothes ,fire ,tent

Water in the clouds becomes very cold. The cold water forms ice crystals. The ice crystals grow by absorbing surrounding water droplets. Form snowflakes. The snowflakes fall to the ground.
water ,ice crystals ,snowflakes

Sound enters the ears of a person. The sound hits a drum that is inside the ear. The drum inside the ear converts the sound to electrical impulses. The electrical impulses are sent to the brain. The brain can decode the impulses into sound.
sound ,electrical impulses ,sound