Match the roles of the members of the Constituent Assembly given in Column I with their names in Column II:
\[ \begin{array}{ll} 1. & \text{Rajendra Prasad} \quad & (i) & \text{Chief Draughtsman}\\ 2. & \text{S.N. Mukherjee} \quad & (ii) & \text{President of the Constituent Assembly} \\ 3. & \text{Jawaharlal Nehru} \quad & (iii) & \text{Constitutional Advisor} \\ 4. & \text{B.N. Rau} \quad & (iv) & \text{Passed the Objectives Resolution in the Constituent Assembly} \\ \end{array} \]
If vector \( \mathbf{a} = 3 \hat{i} + 2 \hat{j} - \hat{k} \) \text{ and } \( \mathbf{b} = \hat{i} - \hat{j} + \hat{k} \), then which of the following is correct?