- Clarified a scentence.

paper/paper.tex

@@ -62,8 +62,9 @@ a result, students often have to wait a long time for their grades. \\
 Since there is no official standard for the format of an exam, teachers create
 exams in their own distinctive manner. For example, an enthousiastic biology
 teacher could create an extensive 4-paper test with images, schemes and 30
-separate questions, but forget to group the questions by subject. Or, a lazy
-computer science teacher who has no intention of auditing complex coding
+separate questions, but lack to order the questions by subject so that students
+have difficulty understanding the connections between questions. Or a lazy
+computer science teacher, who has no intention of auditing complex coding
 questions, might just make up a bunch of simple multiple choice questions.
 Students are likely to be confused having to deal with all these different ways
 of examination, they are not sure what to expect until they have made an old