Java In Tests, Quizzes How to show e.g. Word - live show.

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I saw it at few sites that include Test systems, but never perfect, smooth solutions.Simple example: Screen has to parts: question part and bigger, practice part.Question: How to bold name of the company at the second sentence in the document?Practice part (shows the real MS Word application, with already opened document with 4-5 sentences inside).User has to choose (mark) mentioned company name, then choose B from the toolbars, then press submit button.Of course MS Word has to be installed, Java Runtime also.Everything should work in Java. Anybody has experience with this?