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+```plantuml
+@startuml
+
+title MLD
+
+object Bet {
+  <u>id</u>
+  theme 
+  endRegistration
+  endBet
+  sentence
+  isPrivate
+  <i>#</i> createdBy
+  status
+  type
+}
+
+object BetResponse {
+  <u># betId</u>
+  response 
+}
+
+object User {
+  <u>id</u>
+  username 
+  password
+  coins
+  email
+  lastGift
+}
+
+object Participation {
+  <u>id</u>
+  <i>#</i> betId
+  <i>#</i> user
+  answer
+  stake
+}
+
+object BetResult {
+  <u># betId</u>
+  result 
+}
+
+object BetResultNotification {
+  <u># betId</u>
+  <i>#</i> user 
+}
+
+
+Bet "*" -- "1" BetResponse : responses
+Bet "1" -- "*" User : creator
+
+Participation "1" -- "*" User : author
+Participation "1" -- "*" Bet : participateTo
+
+BetResult "1" -- "1" Bet
+BetResultNotification "1" -- "*" Bet
+BetResultNotification "1" -- "*" User
+
+@enduml
+```
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