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: Das:  Please , this is no way to defend your case !
Ali: I am not defending a case - and YOU are not trying _ one _ ! We are both slaves !
Das: Mr. Mahmoud Ali , if you do n't calm down , I will have to exercise my authority .
Ali: Do so ! This trial is a farce ! I 'm going ! I 've ruined my career ! Farewell my friend !
Ali: Mrs. Moore ! Where are you , Mrs. Moore ?

case