Match the following Column I vector with Column II its insert size.
| a | BAC | i | 50 - 500 |
| b | YAC | ii | 250 -1000 |
| c | Cosmid | iii | 30 - 40 |
| d | Bacteriophage lambda | iv | 9 - 23 |
1
a i, b ii, c iii, d iv
2
a ii, b iii, c i, d iv
3
a iv, b iii, c i, d iv
4
a iii, b iv, c ii, d i