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: "who sang the mcdonald's jingle im lovin it?" whose answer is Justin Timberlake.
Each document should contain about 30 words, and these documents should contain useful information.

Query: who sang the mcdonald's jingle im lovin it
Useful Output:

Doc 1: The TV campaign featured both vocals and appearances from Timberlake and the rap duo The Clipse. McDonald's spent a lot of money launching the
Doc 2: Pusha T co-wrote the song and McDonald's paid Timberlake $6 million to sing the song.
Doc 3: Pusha T is responsible for the near-ubiquitous McDonald's jingle, "I'm Lovin' It."
Doc 4: Marketing CEO Steve Stoute divulged that rapper Pusha T wrote McDonald's "I'm Lovin' It" jingle, not Justin Timberlake and Pharrell.
Doc 5: Piece By Piece has credited Pharell Williams with the creation of the McDonald's jingle. McDonald's iconic “I'm Lovin' It” jingle launched with a global