Let $S = \{(1, 4), (2, 1), (3, 0), (4, 1), (5, 4)\}$. Consider:

1. Range of $S$ is $\{4, 1, 0\}$.
2. $S^{-1} = \{(4, 1), (1, 2), (0, 3), (1, 4), (4, 5)\}$.

• ai and ii
• bii and iii
• ci and iii
• di, ii and iii