contextual information/factors etc• Human readers usually have little difficulty with most types of ambiguity, since they can effortlessly apply a variety of contextual information.• Subjects were given varying amounts of contextual information.• The only way for correctrecognition to be achieved in such situations is by the use of additionalcontextual information.• What is at issue is the way different uses of languagerealize the complementary relationship between linguisticresources and contextual factors.• We need now to examine the role of contextual factors directly and in more detail.• All the contextual information is lost.• These variousapproaches have a number of problems, and it was established that contextual information is necessary in addition to a pattern recogniser.• It alerts one to the importance of contextual factors such as those relating to the institution's regulations, resources and ethos.