A same meaning or not problem:
In 1977 the new SPD Mayor of Berlin , Dietrich Stobbe , invited Dieter Sauberzweig be become a senator for culture in his cabinet .
In 1977 , the new Berlin SPD - Mayor Dietrich Stobbe Dieter Sauberzweig invited his cabinet to become a senator for culture .
****
[A]: no

A same meaning or not problem:
While it is completely turing-practical , it is not intended for complete use , but programmers to challenge and amuse .
While it is fully Turing-practical , it is not intended for complete use , but to challenge and amuse programmers .
****
[A]: yes

A same meaning or not problem:
Ellis met Oscar Bonavena in the second round of the tournament .
During the second round of the tournament , Ellis met Oscar Bonavena .
****
[A]: yes

A same meaning or not problem:
Slashdong is a blog about teledildonics and erotic use of technology for similar purposes .
Slashdong is a blog about teledildonics and a similar use of technology for erotic purposes .
****
[A]:
no