Which of the following is an example of empirical probability?

A. The faces of a number cube are numbered 1 to 6. The probability of rolling a 5 is .

B. Roberto has 3 red candies and 2 green candies in his pocket. The probability of pulling out a green candy is .

C. There are 52 playing cards in a deck, and 13 of them are diamonds. The probability of turning over a diamond is .

D. Emily got 12 text messages, and 5 were from Jasmine. The probability a text message is from Jasmine is .