sentence_A: The man is carelessly smearing butter on a slice of garlic bread
sentence_B: A piece of bread, which is big, is having butter spread upon it by a man OR A piece of bread, which is big, is being spread with butter by a man
sentence_A_original: A man is smearing butter on a slice of garlic bread.
sentence_B_original: A man spreads butter on a big piece of bread.