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: "Egg Banking is the former bank that now trades as what third-largest building society?" whose answer is Yorkshire Building Society.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Egg Banking building society
Useful Output:

Doc 1: Yorkshire Building Society is to buy the mortgage and savings business of Egg Banking from US bank Citigroup.
Doc 2: Yorkshire Building Society (YBS) has this week completed its acquisition of Egg mortgages and savings, which involved the transfer of 550,000
Doc 3: The mortgage business of Egg Banking PLC was transferred to Yorkshire Building Society. Was this page helpful? Yes. No. Yes, but.
Doc 4: Yorkshire Building Society has agreed to buy the mortgage and savings business of Egg Banking as well as the Egg brand from Citigroup.
Doc 5: Yorkshire Building Society is to acquire the mortgage and savings business of Egg Banking, a subsidiary of Citigroup.  Internet bank Egg faces a £17m