[ {
  "Account Type" : "SPB3",
  "Operation" : "Buy Options",
  "Restriction" : "weekends only"
}, {
  "Account Type" : "TR",
  "Operation" : "Sell Futures",
  "Restriction" : "except holidays"
}, {
  "Account Type" : "BOSS",
  "Operation" : "Buy Stocks",
  "Restriction" : "none"
} ]