Task: Question Answering
Input (English): Context: after my att 2 year contract is up i want to upgrade . i want the pantech duo and it is 79 dollars as the 2 year contract price . when my 2 year contract is up can i get the phone for 79 dollars or the 300 dollar price tag . if i buy the phone before my contract is up it is 300 - 400 dollars but when my contract ends do i get the advertised price of 79 dollars for the next 2 year contract . 
Question: Why does the narrator have to wait for an upgrade ?
Output (English): Their contract is not up .