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context in which something is established as "true." Truth ernetges only within a structure of roles thatcontrol the language, the discourse and presents itselfas the product ofdiscursive practices.TJUJTHBIASBerger and Burgoon (1995: 81) define truth bias as a tendency of people to judge a relationalp3rtnet's behaviour as ttuthfu\. As relationships become more intimate, people develop a level of trustin their partner that leads them to judge a partnet's behaviour as truthful Therefore. the truth bias wasintroduced as a behavioural bias, a tendency to judge a partner as truthful, which reflects thepresumption of honesty that accompanies the development of many relationships. Truth bias,according to Caldwen (2000: 43), is our persistent expectation that people will ten the truth, no matterwhat the circumstance.TSOTSITAALMolamu (2003: xiit) notes that Tsotsitaal is a uruque mix of almost all the eleven officiallanguages in South Africa and is spoken predominantly in the Afric.an townships around the VaaITriangle in present-day Gauteng. TsotsitaaI was originally born as a vetbal medium to remain one stepahead of White state authorities. A Tsofsi is a thug or a gangster, and fan/ is an Afrikaans word forlanguage. TsotsitaaI and lscamtho have also come about through language contact. TsotsitaaI came intouse as coded language so that victims would not realise they were being targeted by gang members.UNDEllSTATEMENTCaldwell (2000: 16) describes an understatement as tn1llitnISIng or downplaying significantevents in somebody's personal history. For e..xmnple, s/he tells you s/he went through a messy divorce,but s/he does not say anything about the restIaining orders her/his ex-partner took out on her/him.Dawson (1980: 997) defines an understatement as a statement conveying less than the truth.VALUESAND VAUJE SYSTEMSWela (2001: 39) states that values are learnt slowly in various situations, and the choices wemake later determine out values. Indi-.-1duaI value systerns are the primary form of value systerns.Currently vaIues are taken as set emotionaIly by the brain and are relative to objects or things, or groupsof them. When an evaluation is done, the internal features of the object are identified and then theirvalue is judged. That then becomes a standard for future behaviour. My study on deceptive32