Here's a problem to solve: Which statement best describes the motion of water molecules as the water changes state from steam to liquid?

Among the 4 following options, which is the correct answer?

- A: The molecules move faster and occupy more space.
 
- B: The molecules move slower and occupy more space.
 
- C: The molecules move faster and occupy less space.
 
- D: The molecules move slower and occupy less space.
 