How could you use a number cube to simulate a baby being born male or female?

Responses
A Rolling a 4 is female and anything else is male.Rolling a 4 is female and anything else is male.
B Rolling less than 3 is male and anything else is female.Rolling less than 3 is male and anything else is female.
C Rolling an even number is female and an odd number is male.Rolling an even number is female and an odd number is male.
D Rolling a composite number is female and other numbers are male.

A Rolling a 4 is female and anything else is male.