challenge: Who taught Joan Willsher-Martel's father, and what was the subject he taught?
  
  A. Her father was self-taught, and he taught drawing and painting at a private school in Victoria
  B. Her mother, who taught music at a public school in Vancouver
  C. Her uncle, who taught science at a university in Toronto
  D. Her grandfather, who taught history at a college in Montreal
  Answer: 