Passage:

Read the following information carefully and answer the questions that follows:-

1. A, B, C, D, E and F are six students procuring their Master's degree in six different subjects- Economics, Accountancy, Philosophy, Psychology, Zoology and Botany.

2. Two of them stay in hostels, two stay as paying guest (PG) and the remaining two stay at their home.

3. C does not stay as PG and studies Philosophy.A studies accountancy

4. The students studying Zoology and Botany, do not stay in PG.

5.F studies Botany and D studies, Psychology. F and D stay in Hostel. E stays in PG and B stays at home.

Which subject does B study ?

Zoology