Match the following personalities with their associated contributions or ideologies.
Personalities
A. Deendayal Upadhyaya
B. Subhash Chandra Bose
C. M.N. Roy
D. Periyar E. V. Ramasamy
Contributions or Ideologies
i. Advocate of Radical Humanism
ii. Founder of the All India Forward Bloc
iii. Pioneered the concept of "Dravidianism"
iv. Key figure in the formation of Bharatiya Jana Sangh
1
A - i, B - iii, C - iv, D - ii
2
A - iv, B - i, C - ii, D - iii
3
A - iv, B - ii, C - i, D - iii
4
A - i, B - ii, C - iv, D - iii