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: Dr. Spencer Reid:  Six letters . " Between the waves . "
Alex Blake: Slatch .
Dr. Spencer Reid: Yes . 10 letters . " Wandering alone . "
Alex Blake: Uh ... If it 's Latin in origin , alone is " solus , " vagare is " wondering , " 10 letters ... S - O - L - I - V - A - G - A - N - T.
Dr. Spencer Reid: Congratulations , Blake , you just finished that crossword puzzle in seven minutes .
Alex Blake: I mean , you could do it , too .
Dr. Spencer Reid: I 've done it in _ five _ and a half , actually . There 's a theory about pattern recognition where you do n't even have to look at the clues anymore , but I found that going across instead of down helps because the sequence of saccades and fixations in traditional reading assist with other oculomotor tasks such as solving crossword puzzles .
Alex Blake: Ah .
David Rossi: Happy Wednesday , my nerds .
Alex Blake: Hey , you 're here early .
David Rossi: Apparently not early enough . I missed all the excitement . You do that in pen ?
Alex Blake: Is there any other way ?

minutes