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.
Q: Alphie: I am a robot , yet I am not without feelings for all of you . Samuel , do not think of me as dead , for as long as you can build others like me I shall live on . Farewell , my friends .
Samuel: There 'll never be another _ one _ like you , Alphie . You 're one of a kind .
A:
robot