Albert rolls two six-sided dice numbered from 1 to 6. He tells you, without lying, that at least one of them is an even number. What is the probability that the sum of the two dice is an odd number?
a. 1 in 4 chance
b. 1 in 3 chance
c. 1 in 2 chance
d. 2 in 3 chance
d. 3 in 4 chance
e. 4 in 4 chance