### Clue: Reason given for climbing Everest, as written on gaudy tee shirt (7,3,5)
### Answer: BECAUSE IT’S THERE 
 ### Explanation: Reason given for climbing Everest, as written on gaudy tee shirt (7,3,5)
BECAUSE ("as") + *(tee shirt) 
Reputed to have been said by mountaineer George Mallory.