Given below are two statements: Statement \(I\): \(\mathrm{PF}_5\) and \(\mathrm{BrF}_5\) both exhibit \(\mathrm{sp}^3 \mathrm{~d}\) hybridisation. Statement \(II\): Both \(\mathrm{SF}_6\) and \(\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{3+}\) exhibit \(\mathrm{sp}^3 \mathrm{~d}^2\) hybridisation. In the light of the above statements, choose the correct answer from the options given below:

1. A Statement \(I\) is true but Statement \(II\) is false
2. B Both Statement \(I\) and Statement \(II\) are true
3. C Both Statement \(I\) and Statement \(II\) are false
4. D Statement \(I\) is false but Statement \(II\) is true