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: "when were peanut butter m&m's first introduced?" whose answer is 1954.
Each document should contain about 30 words, and these documents should contain useful information.

Query: when were peanut butter m&ms first introduced
Useful Output:

Doc 1: One of the most significant milestones in the history of M&M's was the introduction of Peanut M&M's in 1954. This new product not only addressed
Doc 2: Back in 2009, Strawberried Peanut Butter M&Ms came out as a promotional product for Transformers: Revenge of the Fallen. That release featured
Doc 3: The History of Peanut M&Ms. Peanut M&Ms were introduced in 1954. At the time, peanut M&Ms only came in one color: tan. Later in the year 1960,
Doc 4: Especially after the fan favorite Peanut M&M was introduced in 1954.  They also started bringing on a host of new flavors – with peanut butter
Doc 5: The first M&M flavor released was Plain Chocolate, introduced in 1941.  It was followed shortly by Peanut Butter M&Ms in 1954 and then Almond