premise: The NUT teacher strike was a 24-hour strike by teachers on 24 April 2008, over the issue of pay. It was the largest strike in Britain for more than 20 years. It is also believed that up to 8000 schools were affected by this strike.There was also a strike by the UCU, which is the teachers' trade union for further education, with over 1000 members of the UCU joining a march in London
hypothesis: The NUT teacher strike was 48 hours long.
reason: The system has a hard time understanding numbers.