A same meaning or not problem:
The idols are available locally and they are made of very old stone .
The idols are locally available and they are made of the very old stone .
****
[A]: yes

A same meaning or not problem:
Mackenzie is a writer-in-residence at the 2B Theatre in Montreal and teaches at the National Theatre School of Canada in Halifax .
Mackenzie is a writer in the 2B Theatre in Halifax and teaches at the National Theatre School of Canada , Montreal .
****
[A]: no

A same meaning or not problem:
Arthur Beauchamp was the first representative from 1861 to 1866 . David Monro won the 1866 election , but resigned in 1867 .
Arthur Beauchamp was the first representative from 1861 to 1866 , and David Monro won the 1866 election but resigned in 1867 .
****
[A]: yes

A same meaning or not problem:
Under his direction , the choir also gave concert tours in Australia ( 1987 ) , Israel ( 1988 ) and Estonia ( 1989 , 1990 ) .
The choir also gave concert tours in Israel ( 1987 ) , Australia ( 1988 ) , and Estonia ( 1989 , 1990 ) under his leadership .
****
[A]:
no