2. Was John reading magazine at 6 o'clock?
No, he wasn't. He sending a text massages
3. Was Sue sending a text massages on her mobile phone at 6 o'clock?
No, she wasn't. She was watching TV
4. Was Tony sending emails at 6 o'clock?
No, he wasn't. He was reading a newspapper
5. Was Mary watching TV at 6 o'clock?
No, she wasn't. She was reading a magazine