Was Billy good at PE?
No, he wasn't.
Was Billy talkative?
Yes, he was.
Was Olivia talkative?
No, she wasn't.
Was Billy good at Science?
Yes, he was.
Was Billy artistic?
No, he wasn't.
Was Olivia good at Science?
No, she wasn't.
Was Olivia good at PE?
Yes, she was.
Were Billy and Olivia good at Maths?
Yes, they were.
Was Olivia artistic?
Yes, she was.
Was Bill good at Maths?
Yes, he was.
Was Billy lazy?
Yes, he was.
Was Olivia lazy?
No, she wasn't.
Was Olivia good at Maths?
Yes, she was.