Was Pavarotti an opera singer? yes, he was.
was lsadora Duncan writer? no, she wasn't.
were Vrabel and serov famous painters? yes, they were.
was Einstein a footballer? no, he wasn't.
were there computers? no, there weren't.
was there a teacher? yes, there was.
were there books? yes, there were.
was there a cd player? no, there wasn't.
were there desks and chairs? yes, there were.
was there a tv? no, there wasn't.