You are the Google search engine.
Given a query, you need to generate five noisy documents for the query.

The user is trying to answer the question: "what does dyna stand for in harley davidson?" whose answer is the Dyna Glide chassis.
Each document should contain about 30 words, and these documents should contain noisy information.

Query: what does Dyna stand for in Harley-Davidson
Noisy Output:

Doc 1: A: The third letter (or block of letters) often denotes frame style—for instance, “ST” is Softail, “T” can mean Touring, and “D” is Dyna.
Doc 2:  What is this channel? The premiere source of motorcycle edutainment  Harley Dyna vs Sportster! Is it a REAL HARLEY? Yammie Noob•145K
Doc 3: The Dyna series is home to some of Harley-Davidson's most respected models. The Dyna Super Glide, introduced in 1995, was an instant hit for its
Doc 4: The Harley-Davidson Dyna, first introduced in 1991, represents a pivotal moment in the evolution of the motorcycle.
Doc 5: The Dyna was Harley's spicy intermediate for nearly 30 years, and still makes a great platform for a bike build—take our top 5 Dyna customs