Meṇḍakapañha Jātaka (No.471)
The Commentary states that the questions are to be found in the Umaṅga Jātaka. One of the questions set by King Videha to his five ministers, after having noticed a strange friendship between a ram and a dog. The ram was beaten by the elephant keepers because he took the grass from the stalls, while the dog had suffered at the hands of the cook for stealing meat from the kitchen. They met and agreed that the dog should go to the stalls and the ram to the kitchen, in order to avoid suspicion. The king saw this and set the question to his ministers. Only Mahosadha knew the solution and he told it to the others. The king was pleased and gave to each a chariot, a she-