We discussed some classic limitations of file$-$processing systems, especially as the quantity of data increases.Consider a set of files where one file contains a list of classes $($class names, class times$),$ another file contains a list of students $($student id numbers, student last names, student first names, and student emails$),$ and a third file contains a list of students and the classes they are enrolled in $($student id numbers, each followed by the class names of the classes that student is in$).$You now want to know the emails of students who are in classes at $2$:$00$ pm on Tuesdays.What limitation below is the best "fit" for describing why this question is difficult to answer when the data is stored in such files?Group of answer choicesseparated and isolated datamore potential for a central point o