{
  Adam => { abc => 0, def => 0, ghi => 0, jkl => 7, mno => 0, pqr => 7 },
  Dav  => { jkl => 12, mno => 34, pqr => 45 },
  keas => { abc => 0, def => 0, ghi => 0 },
  Tim  => { abc => 7, def => 7, ghi => 0 },
}