Open-Ended Questions Are Often Necessary Even in Surveys Whose Major

Open-ended questions are often necessary even in surveys whose major objective is to produce quantitative data.Given the open-ended responses below,how would you summarize them for analytical purposes?
QUESTION: How do you think the taste of Pepsi compares with Coca Cola?
Responses: The taste of Pepsi was
1) Better
2) Sweeter
3) Too sweet
4) Not as refreshing
5) More refreshing
6) Sweeter is better
7) Bolder taste
8) They taste about the same
9) I don't know
10) I don't have any idea
11) I don't drink soft drinks
12) Soft drinks are not good for you
13) Sweeter is better
14) Not a refreshing as Coca Cola
15) Coca Cola has always been my favorite brand