Which statement correctly describes the classification of chemical reactions into different categories?

Question

All reactions fit into a category, and a reaction can fit into only one category. All reactions fit into a category, and a reaction can fit into only one category. All reactions fit into a category, and some reactions can fit into more than one category. All reactions fit into a category, and some reactions can fit into more than one category. Not all reactions fit into a category, and some reactions can fit into more than one category. Not all reactions fit into a category, and some reactions can fit into more than one category. Not all reactions fit into a category, and a reaction can fit into only one category.

Answer 1

Not all reactions fit into a category, and some reactions can fit into more than one category.