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 the samsung galaxy s8+ come out?" whose answer is 29 March 2017.
Each document should contain about 30 words, and these documents should contain useful information.

Query: release date Samsung Galaxy S8+
Useful Output:

Doc 1: It launched on Friday, April 21 2017. Looking for that elusive unlocked Samsung Galaxy S8 Plus in the US? It costs around $460 on Amazon if you
Doc 2: Samsung Electronics Officially Releases the Galaxy S8 and Galaxy S8+ to Global Markets. on April 21, 2017.
Doc 3: The Galaxy S8 and Galaxy S8+, as the new phones are named, will go on sale April 21. The price will vary depending on the carrier.
Doc 4: Samsung Electronics has officially released its sixth color edition of the Galaxy S8+ 64GB model: Rose Pink. Starting June 30, the Rose Pink
Doc 5: The Samsung Galaxy S8 and Galaxy S8+ will be available to purchase starting from April 21; more details on pricing and availability can be found here.