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The present experimental demonstrator employs a slow , brute force method when searching for similar information items ; more work is needed on efficient versions of the unified similarity algorithm . If you give lots of people ( especially experimental subjects who are paid to produce responses ) pointless instructions in a context-free experimental setting , such as ' point to the left of the blue block ' , or ' put the marble to the left of the blue block ' , or ' is the penny to the left of the blue block ' , then there will be some randomness in the results and the examples may be distributed in some way that suggests a potential field . For any present experimental use of the new assessment form , ignore that requirement . Research findings on undernourished experimental animals are cited here as well as studies involving children suffering the effects of malnutrition in infancy . " " A detailed examination of the mechanical properties of various types of marble is attempted in the present experimental study with the aid of the Non Destructive Method of ultrasounds . I suggest that something of this sort could become the basis of a serious experimental program in many departments of English .