If Xiao Zhang goes to Xinjiang this summer, he must visit Turpan and Kanas, otherwise he will not go; only if he travels with Xiao Li will Xiao Zhang visit Turpan or Tianchi; if he travels with Xiao Li, Xiao Zhang must make an agreement with Xiao Li; if Xiao Zhang makes an agreement with Xiao Li, Xiao Li must have time this summer
Unfortunately, this summer, Xiao Li unit came to an urgent task, related personnel are not allowed to ask for leave, Xiao Li is no exception
Xiao Zhang didn't go to Xinjiang this summer