Context: by a dog that was tied up under a fucking truck . he learned his lesson , but abigail has bite wounds on her face that i now have to go pay the vet to fix .
Question: What must have happened to the dog tied under the truck ?
Option 0: Abigail must have attacked the dog under the truck , and I must have taught him a lesson .
Option 1: I must have   attacked Abigail , and I must have taught him a lesson .
Option 2: The dog under the truck must have attacked Abigail , and I must have taught him a lesson .
Option 3: The dog under the truck must have attacked me , and Abigail must have taught him a lesson .
Answer: 2