Identify the correctly matched pairs from the following:
| Channel | Separates |
| 1. Coco Channel | North Andaman islands and the Coco Islands |
| 2. Nine Degree Channel | Little Andaman from South Andaman |
| 3. Duncan Passage | Great Nicobar islands and the Sumatra islands |
| 4. Grand Channel | Amini Island and Cannanore Island |
Select the correct answer from the options given below.
1
1 only
2
2 and 3 only
3
1, 2 and 3 only
4
3 and 4 only