Context: It is Saturday evening , going on 6:30 . Dr. A examined JB over an hour ago and together we came to an agreement to stop treatment at 12 doses . His last dose was around 9AM this morning and this afternoon his vitals were not good for administering a 13th dose .

Question: Who may be the narrator of the passage ?
Options:
0. A Doctor
1. None of the above choices .
2. Someone else
3. JB
Answer: 0