Identify the revisions that correct the fragments in the following. Select all that apply.
"My cousin was a contestant on a game show. On which contestants have to answer trivia questions to win prizes. She answered five questions right and won $10,000. Then she missed a question about pop culture. What David Bowie's real name was."

a. My cousin was a contestant on a game show on which contestants have to answer trivia questions to win prizes. She answered five questions right and won $10,000. Then she missed a question about pop culture: What was David Bowie's real name?
b. My cousin was a contestant on a game show on which contestants have to answer trivia questions to win prizes. She answered five questions right and won $10,000. Then she missed a pop culture question about David Bowie's real name.
c. My cousin was a contestant on a game show on which contestants have to answer trivia questions to win prizes. She answered five questions right and won $10,000. Then she missed a question in the pop culture category about what David Bowie's real name was.