A number cube is rolled two times. The first time it lands showing an even number. The second time it lands showing the number 5. Identify whether this event is independent or dependent. Explain your answer.

a. Independent; the first roll of the number cube does not affect the probability of the second roll.
b. Independent; the first roll of the number cube affects the probability of the second roll.
c. Dependent; the first roll of the number cube does not affect the probability of the second roll.
d. Dependent; the first roll of the number cube affects the probability of the second roll.