Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Date | Location | Nature of incident | Circumstances | Casualties |
| --- | --- | --- | --- | --- |
| 2004-01-28 | Kabul | Hostile | Bomb attack | 2 WIA |
| 2004-05-11 | Kabul | Hostile | Rocket attack | 1 WIA |
| 2004-09-26 | Kunduz | Hostile | Mortar attack | 3 WIA |
| 2004-10-17 | Kunduz | Non-hostile | Suicide | 1 dead |
| 2004-11-26 | Kunduz | Hostile | IED | 3 WIA |
Question:
What is the nature of the incident that's a bomb attack?
Answer:
Hostile