A nurse is teaching new and very young parents about safe sleeping practices for their newborn son ...

A nurse is teaching new and very young parents about safe sleeping practices for their newborn son and asks to hear them describe their nursery and their plans for the baby's sleeping arrangements.
 
  What information from the parents would indicate that they did not understand the discharge teaching? (Select all that apply.)
  A.
  A friend bought an air purifier that prevents SIDS.
  B.
  He can have a pacifier when he takes a nap.
  C.
  Our bed is big enough for all three of us.
  D.
  The crib is soft with lots of snuggly blankets.
  E.
  We won't let the grandparents smoke in our house.