Text: Sufferers may actually be able to control their sputterings, according to experiments led by Randy Flanagan at Queen's University in Ontario, BBC Online reports.
Entailment: Experiments lead by Randy Flanagan of Queens University have shown that those who suffer from sputtering might be able to gain control of the problem.
Contradiction: Unfortunately experiments lead by Randy Flanagan show that there is still no effective treatment for those who suffer from sputtering.