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: The Doctor:  Amazing .
Nancy: What is ?
The Doctor: 1941 . Right now , not very far from here the German war machine is rolling up the map of Europe . Country after country , falling like Dominoes . Nothing can stop it , nothing until _ one _ tiny , damp little island says " no " . No , not here . A mouse in front of a lion . You 're amazing . The lot of you . Do n't know what you do to Hitler , but you frighten the hell out of me . Off you go , then . Do what you got to do . Save the world .

island