Read the following paragraphs and determine which sentences should be omitted in order to maintain paragraph unity. (1) Adults visit amusement parks for several reasons. (2) For one thing, an amusement park is a place where it is acceptable to “pig-out” on junk food. (3) At the park, everyone is drinking soda and eating popcorn, ice-cream, or hot dogs. (4) No one seems to be on a diet, and so buying all the junk food you can eat is a guilt-free experience. (5) Parks should provide stands where healthier food, such as salads or cold chicken, would be sold. (6) Another reason people visit amusement parks is to prove themselves. (7) They want to visit the park that has the newest, scariest ride in order to say that they went on the Parachute Drop, the seven-story Elevator, the Water Chute, or the Death Slide. (8) Going on a scary ride is a way to feel courageous and adventurous without taking much of a risk. (9) Some rides, however, can be dangerous. (10) Rides that are not properly inspected or maintained have killed people all over the country. (11) A final reason people visit amusement parks is to escape from everyday pressures. (12) When people are poised at the top of a gigantic roller coaster, they are not thinking of bills, work, or personal problems. (13) A scary ride empties the mind of all worries -- except making it to the bottom alive. (14) Adults at an amusement park may claim they have come for their children, but they are there for themselves as well.

There are 3 paragraphs to choose from, I think its 5, 9, and 10. Can anyone confirm?