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.

Ex Input:
Dr. Nefarious:  Cassy , what is the status of Unnecessarily Evil Initiative Omega-91 ?
Cassiopeia: In motion , my love . The Lombax is now trapped in an over - elaborate death scenario designed to torture him into a slow , painful doom !
Dr. Nefarious: That 's Unnecessarily Evil Initiative Omega-96 ! I said _ 91 _ ! Does no one read my memos ?

Ex Output:
Omega-91


Ex Input:
Fraser:  W hat 's wrong with your hat ?
Fraser Sr.: Oh , well this is the _ one _ they buried me in . They had to snip off the back so I could lie flat . I 'm sure they meant well but they do n't know how embarrassing these things can be in the afterlife .

Ex Output:
hat


Ex Input:
General K'Vagh:  Fleet Admiral Krell will not extend his deadline .
Dr. Phlox: The only possible way to get results on Krell 's schedule is to infect four healthy Klingons .
General K'Vagh: You have _ four _ right here !
Dr. Phlox: Only one of these strains will work , the other three will be lethal . Ethically , it 's unthinkable !
General K'Vagh: The ethics , Doctor , are simple : three lives to save millions .

Ex Output:

Klingons