Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
What type of ship is a Kobben class vessel that has been in service longer than 2?

### Inputs:
table_name: table, columns: ['Vessel', 'Origin', 'Type', 'In service', 'Unit']

### Response:
SELECT Type FROM table WHERE In service > 2 AND Vessel = kobben class