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, Xiao Zhang will visit Turpan or Tianchi; if he travels with Xiao Li, Xiao Zhang must make an agreement with Xiao Li ; If Xiao Zhang and Xiao Li make an appointment, Xiao Li must have time this summer. Unfortunately, this summer Xiao Li's unit has come to an urgent task, and relevant personnel are not allowed to ask for leave, and Xiao Li is no exception.
Which of the following options can be derived?
Xiao Zhang is going to visit Tianchi this summer