(i). P, Q, R, S, T and U are six members in a family in which there arfe two married couples.
(ii). T, a teacher is married to the doctor who is mother of R and U.
(iii). Q, the laywer is married to P.
(iv). P has one son and one grandson.
(v). Of the two married ladies one is a housewife.
(vi). There is also one student and one male engineer in the family.
Which of the following is true about the grand-daughter in the family ?