premise: How to clean vinyl flooring<br>Use a doormat to keep the floor clean. The substances you track into your house on your shoes are damaging to vinyl flooring. Dirt, tiny pits of gravel, and chemicals from asphalt are abrasive to the vinyl, and over time will cause it to get scratched and yellowed.
hypothesis: your vinyl flooring can get messed up pretty easily
reason: Dirt, tiny pits of gravel, and chemicals from asphalt are abrasive to the vinyl, and over time will cause it to get scratched and yellowed.