(1) What measures were put in place to ensure that a national go-slow by the SA Democratic Teachers′ Union (SADTU) members scheduled from Tuesday, 9 April 2013, did not impact on learners negatively; (2) will supplementary examinations that were written in February be affected in terms of being marked; (3) whether this action is related to a government proposal that education be made an essential service, making it unlawful for teachers to strike; if not, what is the position in this regard; if so, what are the relevant details?