Definition: In this task, you will use your knowledge about language (and common sense) to determine what element the marked number refers to. The numbers are marked with two underlines around them, like: _ number _. Your answer should be chosen from the given text, and should not contain other words.
Input: Dr. Connor Rhodes:  Is it true ? Lucy Simms ' liver is on its way back to the hospital ?
Sharon Goodwin: The intended recipient died in pre - op .
Dr. Connor Rhodes: Peter is an HLA match . It can go to him .
Sharon Goodwin: Yeah , there are names ahead of him on the list .
Dr. Connor Rhodes: None of them are in this hospital . It has already been three hours ; livers are viable for less than _ twelve _ . By the time the list gets sorted out , the ... the patient prepped , organ shipped , it may be too late . Lucy 's husband can direct donate to whomever he chooses . Ask him to give it to Peter .
Sharon Goodwin: You 're talking about the man responsible for his wife 's death .
Dr. Connor Rhodes: And he has done a horribly stupid thing , I know , but he 's a kid . Peter deserves a chance to turn his life around .

hours