A man wearing a red shirt is quickly polishing a light wooden floor with a small green towel next to a yellow can of Wood Silk.
a man polishes a floor
A light wooden floor is a type of floor and the man that polishes it needs a towel to work.
Sentence 2 rephrases Sentence 1 with fewer details: a man polishes (is polishing) a floor.
A MAN POLISHES THE WOODEN FLOOR