Directions:- Study the following information carefully to answer the question given below.
(i) In a family of 6 persons, there are two couples.
(ii) The Lawyer is the head of the family and has only two sons - Mukesh and Rakesh - both Teachers.
(iii) Mrs. Reena and her mother-in-law both are Lawyers.
(iv) Mukesh's wife is a Doctor and they have a son, Ajay.
Which of the following is definitely a couple?