challenge: What was the outcome for Brian Rix's career as a result of his experience caring for his daughter Shelley?
  
  A. He changed careers to become a special education teacher
  B. He wrote a bestselling book about parenting a child with Down syndrome
  C. He became a leading expert on Down syndrome research
  D. He became a life peer in 1992 and chairman and president of Mencap
  Answer: 