Choose analogous pair - Teeth : Dentist

B. EYES : OCULIST

A + B means A is the son of B;
A - B means A is the wife of B;
A x B means A is the brother of B;
A ÷ B means A is the mother of B; and
A = B means A is the sister of B.
What does P + R - Q mean ?

A. Q IS THE FATHER OF P.

A team of five is to be selected from amongst five boys A, B, C, D and E and four girls P, Q, R and S. Some criteria for selecation are :
A and S have to be together.
P cannot be put with R.
D and Q cannot be together.
C and E have to be together.
R cannot be put with B.
Unless otherwise stated, these criteria are applicable to all the question below : If two of the members are girls and D is one of the members, the members of the team other than D are :

C. P S A B

(A)  '134' means 'you are well';
(B)  '758' means 'they go home';
(C)  '839' means 'we are home';
Which of the statements can be dispensed with while answering the above question ?

A. A ONLY

Choose analogous pair - Monk : Monastery

C. NUN : CONVENT