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: Consider Input: Nathan:  So , do you know what the Turing Test is ?
Caleb: Yeah . I know what the Turing Test is . It 's when a human interacts with a computer and if the human does n't know they 're interacting with a computer , the test is passed .
Nathan: And what does a pass tell us ?
Caleb: That the computer has artificial intelligence . Are you building an AI ?
Nathan: I 've already built _ one _ .

Output: AI


Input: Consider Input: Seamus Harper:  It 's not that easy , Trance . Three spiral galaxies , dozens of galactic clusters . There 's got to be hundreds of prison planets .
Andromeda Ascendant: _ Three _ hundred and forty eight , to be exact .
Trance Gemini: Really . What about that one .
Beka Valentine: Why ? Why that one ?
Trance Gemini: Well , it 's pretty .
Tyr Anasazi: It 's pretty . Now there 's a solid reason to risk our lives .
Seamus Harper: You have a better idea ?
Tyr Anasazi: No .

Output: planets


Input: Consider Input: Driver:  That man should have his license taken away .
Chuck: I 'll see that he does as soon as he gets _ one _ .


Output: license