Match the following items based on their logical sequence relationship:
| List I (Starting Item) | List II (Logical Sequence Type) |
| 1. Infant | a. Ascending order of size |
| 2. Atom | b. Ascending order of life stages |
| 3. Application | c. Ascending order of organizational hierarchy |
| 4. President | d. Ascending order of a process |
Which of the following pairings is correct?