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 did toys r us first come out?" whose answer is 1957.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Toys R Us opening year
Useful Output:

Doc 1: 1983 – The first Kids R Us clothing store opens. 1994 – Lazarus steps aside as chief executive, kicking off two decades of frequent management
Doc 2: The dissolution of New Jersey-based Toys R Us, which traces its roots to a baby-furniture store opened in 1948, comes as no surprise to industry
Doc 3: Within a few years, he noticed parents hunting for toys as their kids got older. In 1957, the business evolved into Toys “R” Us with the opening
Doc 4: Lazarus, who has been described as one of the great merchants of his time, expanded a baby furniture store he owned into a toy store. By 1978,
Doc 5: Toys “R” Us is making a comeback with 24 flagship stores opening up across the United States within the next year, as announced by parent company WHP Global.