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The stress of dealing with challenging behaviors all the time affects the relationships of the parents to the child , and of the child to other children and of the parents to each other . Very few people are actually rejected ; the problem is that the screening process takes a very long time . First of all , there were different variants , like forms in ' - ing ' and in ' - and ' , and the author attempts to analyse them in order to see whether each one of these variants really had a paradigmatic status , so they had specialized distributions . " Now , he says , the situation has reversed itself : Programmers can seek creative ways to use the machine 's awesome power . Professor Lynch added that the conference marks just under two years of research collaboration between the university teams .