You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "Carloman abdicated Italy to the great-grandson of who?" whose answer is Charlemagne.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Carloman abdication Italy great-grandson
Useful Output:

Doc 1: "Charles III (13 June 839 – 13 January 888), also known as Charles the Fat, was the emperor of the Carolingian Empire[a] from 881 to 888.
Doc 2: Granted lordship over Alamannia in 876, following the division of East Francia, he succeeded to the Italian throne upon the abdication of his older brother
Doc 3: Pipin died in 838 and his son Pipin II, that is Lewis' grandson, was disinherited and division of the territories was done, to benefit the latest born Charles.
Doc 4: Charles III, also known as Charles the Fat, was the emperor of the Carolingian Empire from 881 to 887. Born in 839, he was the youngest son
Doc 5: So it was that, after his brother's abdication, Pepin was officially anointed by the Pope as the sole King of the Franks, before crossing the