IN CASE OF EMERGENCY

 IN CASE OF EMERGENCY 

His boss called from his 13 floor office to his office on the ground floor and said "John,bring me that Office file,its an emergency!!!!!!".
After half an hour,still John hadn't delivered the file.at that moment,his desk fon had been ringing non stop his boss trying to find out what was causing the delay.finally 45 min later he arrived in his bosses office,breathing heavily and all sweaty,
"where the hell have u been,the elevator doesn't take an hour to get here!!!"
"but sir..."protested John,"i used the stairs"
"why the hell would u do that?"asked his boss.
"sir,u said its an emergency and i saw the sign next to the stair way say IN CASE OF EMERGENCY USE STAIRWAY!!!!"