This is a question with answer options. Goal: How can I keep pie dough from sticking to the table and the rolling pin when rolling it flat?

Which of the following methods is more reasonable for accomplishing this goal?

Options are: a). As you are rolling the pie dough, sprinkle a small amount of water across the top of the dough and on the rolling pin to keep the dough from sticking. b). As you are rolling the pie dough, dust a small amount of flour across the top of the dough and on the rolling pin to keep the dough from sticking....I think the answer is
b).