question 3 please quickly thanks!

Suppose that a box contains two blue card and three red cards, the three red cards are labeled A, B and C. Suppose also that two of these five cards are selected at random, without replacement. (1) If it is known that card A has been selected, what is the probability that both cards are red? (2) If it is known that at least one red card has been selected, what is the probability that both cards are red?