Task: Question Answering
Input (English): Problem: a movie buff owns movies on dvd and on blu - ray in a ratio of 7: 2. if she buys 4 more blu - ray movies, that ratio would change to 13: 4. if she owns movies on no other medium, what was the original number of movies in her library before the extra purchase ?
Options: a. 22, b. 28, c. 77, d. 99, e. 234
Output (English): e