However, the ISOs rebutted the presumption. However, if there is clear intent to be contractually bound, the presumption is rebutted. Attenborough subsequently rebutted Lawson's allegations. This presumption can be rebutted in several situations. This presumption can be rebutted, for instance, in circumstances of mental illness or other incompetence. That presumption, however, can be rebutted by construction of agreements between the neighbours. However, the reports were rebutted by RSHI, who called them "inaccurate and unfounded". Du Maurier successfully rebutted the allegations. In some cases, the presumption of death can be rebutted. This study was rebutted as not providing convincing evidence four years later. These criticisms were rebutted in two articles. It may be rebutted by countervailing public interests. He also rebutted some of the arguments proposed by Powell. Hoffman rebutted Fischer's theory, reasserting that Tolkachev furnished genuine technical information. Each story in turn is either rebutted or ridiculed by Tychiades.