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@@ -183,8 +183,8 @@ indexing structure.
 Colcombet's factorization could likely be used to solve the problem of branch
 infix regular questions, which we introduce as a subproblem of MSO query
 answering in Chapter \ref{branchinfix}. However, Colcombet's result depends on
-fairly deep and complex applications of semigroup theory. We present a much more
-straightforward algorithmic approach.
+applications of semigroup theory. We present a much more straightforward
+algorithmic approach.
 
 \section{Organization}