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: Peggy Carter:  These assets are now under the protection of the Strategic Scientific Reserve . They 'll be hidden out of sight , indefinitely ... as will you .
Hydra Officer: Cut off one head , _ two _ more shall grow in its place .
Peggy Carter: Then I guess we 'll keep cutting them off .

head