14. Depending on the severity classification of an incident, which one has been classified into Level 2 or Major Incident? (1 Points).
a) A train service from WSA to TPO has delayed about 10 minutes.
b) An accident in KBP can be manageable internally for a short period.
c) A section between YNO and PNK has been blocked by a stalled train for at least a half hour.
d) The fire has caused extensive damages and re-opening of the system is not conceivable within a short period.
e) Many Emergency Medical Services and Fire Fighters have been summoned for handling the fire and a large number of injury.