An editor is considering the choice of a manuscript for the theoretical version of the newspaper. Six papers are available from E, F, G, J and K. Take into account the content of the article, the layout of the newspaper and other factors. (1) if paper E is used, paper F can not be used, but paper K should be used. (2) only if paper J is not used, paper G or paper H can be used. (3) if paper G is not used, paper K is not used. (4) Paper E is a manuscript with a celebrity
it has to be used.
Neither G nor J is used.