so how young femalepeople's ide most affected in terms of attitudes towards the u.s. is it from reading global times in chinese or trolling the internet and do they read anything from chinese correspondents in the united states about what going on beyond our big cities? >> okay yes, thank you. you give me an opportunity to mention the data source, it is pretty hard to get data because i have a lot of friends, i get data from different sources. the pbt i presented here i just have three different ways from sore ren 7 to 10. but we public the data on their website, but didn't do the data research about chinese student attitude toward the united states. so i do the data by myself. let's take questioning about, about whether or not my view sample rate or not rate of global times no. but, some data we cover the chinese young people their age is over 18 years old, to 30s. especially the last part of my presentation about how -- what the chinese students concern with united states product does not come from student. come from all generation, their ages over 80 years old. but