Which of the following pairs of events is not mutually exclusive?
(a) Throwing a number greater than 4 with a dice/ Throwing a number less than 4 with a dice.
(b) Drawing a red card from a pack of cards /Draw a club from a pack of cards.
(c) Drawing a diamond from a pack of cards/ Drawing an ace from a pack of cards.
(d) Drawing a vowel card from a set of alphabet cards/Drawing a consonant card from a set of alphabet cards.