2. Were Peter and Zhankanger at the gym last Monday? Yes, they weren't.
3.Was Zhankanger at the park last Thursday? No, he wasn't.
4.Was Juliya at the theatre on Wednesday? Yes, she wasn't
5.Were Zhankanger and Juliya at the zoo on Thursday? Yes, they weren't
6.Was Peter at the park on Thursday? No, he wasn't
7.Were Juliya and Zhankanger at the theatre on Wednesday? Yes they weren't.