There are six students A, B, C, D, E, F. Each student opts two courses, 1 core and the other elective. (i) D’s elective is Maths and three other students have Maths as core. (ii) E and F have Chemistry as one of their subjects. (iii) F’s core course is Physics, which is elective for both C and E. (iv) Maths is core and English is elective for A. (v) Biology is an elective of only one of them. (vi) The only female student is the one who has Maths as elective and English as core.

Who has taken the course of Biology?