All of the following organizational routines in the London Underground contributed to the tragic fire at King's Cross subway station, EXCEPT _______. 

a. Ticketing clerks were given too many responsibilities. 

b. The fire brigade had been ordered not to use equipment installed by other agencies. 

c. Station employees weren't trained on how to use the sprinkler system. 

d. Employees were instructed only to contact the fire brigade as a last resort. 

e. Information, such as a letter from the London Fire Brigade warning about fire risks, wasn't shared across divisions.