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: Cyber Lieutenant:  Which one is the Doctor ?
Cyber Leader: The tall _ one _ with fair hair . Even under the threat of death he has the arrogance of a Time Lord .

Doctor