This is the story of [blank_start]a dog[blank_end], who used to be [blank_start]his own master[blank_end]. He decided to find a master [blank_start]the strongest of all[blank_end]. First he found [blank_start]a wolf[blank_end], but the wolf was afraid of [blank_start]the bear[blank_end] . The dog thought that the bear was [blank_start]stronger than anyone else[blank_end]. After some time the dog met[blank_start]a lion[blank_end], who seemed the strongest. He stayed with the lion for a long time. One day he realised that the lion was [blank_start]afraid of man[blank_end] . To this day, the dog remains man’s best friend.