sa:were there mobile phones a hundred years ago?
sb:No,they were not.
were there computers a hundred years ago?
no,they were not.
were there computers a hundred years ago?
no,they were not.
where there watches a hundred years ago?
yes,they were
were there trains a hundred years ago?
yes,they were
were there washing machines a hundred years ago?
no,they were not.
where there hot-air balons a hundred years ago?
yes,they were
was there television a hundred years ago?
no,it was not.
coroana???