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: Regina Mills:  I found a solution to my Emma Swan problem .
Mr. Gold: Oh , yes ?
Regina Mills: An old , reliable solution .
Mr. Gold: A sleeping curse ... Might I ask how you managed to obtain _ one _ here in Storybrooke ?
Regina Mills: By sacrificing the last bit of magic I had left .
Mr. Gold: So you made magic * from * magic . Well , I 'm sure I do n't have to remind you that , um ... all magic comes with a price .
Regina Mills: Then you can pay it .

curse