Answer the questions on the basis of the information given below.
M, N, O, P, Q and R are a group of friends. There are two housewives, one professor, one engineer, one accountant and one lawyer in the group. There are only two married couples in the group. The lawyer is married to P, who is a housewife. No woman in the group is either an engineer or an accountant. O, the accountant, is married to R, who is a professor. M is married to a housewife. Q is not a housewife.
Which of the following is one of the married couples?
M and P
The lawyer is married to P; the accountant O is married to the professor Rand there are only two married couples. P is the housewife and M is married to a housewife. These conditions give the only other possible married couple as M and P and therefore M is the lawyer.