After examining a document and comparing the characters with specimens of other handwritings, the laboratory technician may conclude that a certain individual definitely did write the questioned document. This opinion could be based on a large number of similar, as well as a small number of dissimilar but explainable, characteristics. On the other hand, if the laboratory technician concludes that the person in question did not write the questioned document, such an opinion could be based on the large number of characteristics that are dissimilar or even on a small number that are dissimilar provided that these are of overriding significance and despite the presence of explainable similarities. The laboratory expert is not always able to give a positive opinion. He may state that a certain individual probably did or did not write the questioned document. Such an opinion is usually the result of insufficient material, either in the questioned document or in the specimens submitted for comparison. Finally, the expert may be unable to come to any conclusion at all because of insufficient material submitted for comparison or because of improper specimens.The paragraph best supports the statement that

Directions: For each question, a paragraph will be given that contains all the information necessary to infer the correct answer. Use only the information provided in the paragraph. Do not speculate or make assumptions that go beyond this information. Also, assume that all information given in the paragraph is true, even if it conflicts with some fact known to you. Only one correct answer can be validly inferred from the information contained in the paragraph.