Section: Verbal

37) Is it historically verifiable that Abraham Lincoln wrote the Gettysburg Address while riding to Gettysburg on a scrap of paper?

1. while riding to Gettysburg on a scrap of paper?
2. as he rode to Gettysburg on a scrap of paper?
3. on a scrap of paper while riding to Gettysburg?
4. on a scrap of paper while he rode to Gettysburg?
5. while riding to Gettysburg on a buggy?

This clarifies the intended meaning by placing the prepositional phrase next to the noun it modifies.