Here's a problem to solve: A science class is studying the states of matter. One group of students freezes 100 grams (g) of water in a cup. Another group of students melts 50 g of ice in a cup. Which of these will most likely occur at the end of the experiment?

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

- A: The temperature of both cups will be the same.
 
- B: Both samples in the cups will be in the same state.
 
- C: Both groups will have the same mass with which they started.
 
- D: The time required for the changes in states of matter will be the same.
 