both joshua walang and agnes chao have now been jailed in a widening crackdown on dissent. china is now trying to reassert its influence on hong kong classrooms its new curriculum both the lesson and the warning be alert biting and responsible. joining me now is calling liar an executive committee member of the hong kong professional teachers union welcome mr lai these changes to the curriculum that have been ordered would you call them an attempt of brainwashing or education. you know it certainly put a lot of constraint of what we can teach we use to emphasize critical thinking in our curriculum we allow the students to have different positions on social issues and some national issues as as well but now the early introduce national security education has put a lot of limits on what we can discuss and standpoints that we can hold education bureau has said in the past that court fostering students sense of national identity is done in other countries as well that sounds like a reasonable argument doesn't it. yes this our position as well we never say no to gnash no educati