static S standardConcepts() {
  ret [[
  anmjmlkwmjbzbiss - Always: X
  ufzlismnlhvbjqoj - (X) and (Y) and (Z) and (AA) and (AB) => (AC)
  phkdhqkhzytkwdpb - (X) and (Y) and (Z) and (AA) => (AB)
  cntevdawguaaxqmn - (X) and (Y) and (Z) => (AB)
  eijdjqhyzheusetj - (X) and (Y) and (Z) => (AA)
  jkbzwuwirpbvfzhy - (X) & (Y) & (Z) => AA
  mwpbetwhkuuuupws - X and Y and Z => AA
  txsysipmstxmjhmi - (X) and (Y) => (Z)
  cuutddpitkuswthu - While (X) => (Y)
  kecvwixuouqlpzhu - (X) and (Y) => Z
  tusgcjefvtgebzba - (X) & (Y) => Z
  wziyypnyayfphdxs - (X) => (Y)
  ewbhoovlncyjgpws - (X) => Y
  chkfkshhwshoauan - X => Y
  mcoswmplpqlieruo - (X)
  zhoulgsatpswstfa - There is no statement with operator X.
  
  vouwrrhtmajsgaby - Q: X
  nywfcwkkcknzhmdy - A: X
  kxlzhendchftgjqh - No X where (Y)
  
  zqxoghyhhhfgziob - I don't know
  ]];  
}