Classify the relation of question with context to one of these categories: 1) award received, 2) based on, collection, 3) conflict, 4) constellation, 5) convicted of, 6) date of death, 7) director, 8) drafted by, 9) educated at, 10) medical condition, 11) military branch, 12) narrative location, 13) occupation, 14) original network, 15) parent company, 16) point in time, 17) production company, 18) residence, 19) series, 20) service entry, 21) sex or gender, 22) spouse, 23) standards body question.

Input: Consider Input: Context : Horror of Fang Rock was a late replacement for the scripts Terrance Dicks had originally submitted, a vampire-based tale entitled The Vampire Mutations, which was cancelled close to production as it was feared it could detract from the BBC's Count Dracula a high-profile adaptation of Bram Stoker's classic novel Dracula, which was due for transmission close to when the serial would have aired. 
Question : Which series was Horror of Fang Rock in?

Output: series


Input: Consider Input: Context : Ishi (c. 1861 -- March 25, 1916) was the last member of the Yahi, a group of the Yana of the U.S. state of California. 
Question : What illness did Ishi suffer from?

Output: medical condition


Input: Consider Input: Context : Buku Harian Nayla (Nayla's Diary) is an Indonesian Christian television drama which aired on RCTI. 
Question : What network did Buku Harian Nayla originally appear on?


Output: original network