Which of the following is a negation for Given any real numb

Which of the following is a negation for “Given any real numbers a and b, if a and b are rational then a/b is rational.”

a) There exist real numbers a and b such that a and b are not rational and a/b is not rational.

b) Given any real numbers a and b, if a and b are not rational then a/b is not

rational.

c) There exist real numbers a and b such that a and b are not rational and a/b is rational.

d) Given any real numbers a and b, if a and b are rational then a/b is not rational.

e) There exist real numbers a and b such that a and b are rational and a/b is not rational.

f) Given any real numbers a and b, if a and b are not rational then a/b is rational.

(d) Given any real numbers a and b, if a and b are rational then a/b is not rational