Which set of statements most clearly uses deductive reasoning?
A. Pine floats in water. Pine is a type of wood. Therefore, wood in general floats in water.
B. Blue whales are mammals. Humpback whales are also mammals.
Therefore, all whales are mammals.
C. Ketchup comes in bottles. Mustard also comes in bottles.
Therefore, mustard is also ketchup.
D. Planets exert gravity on objects. Neptune is a planet. Therefore, Neptune exerts gravity on objects.