A same meaning or not problem:
The circular mirrors are effective in lighting fires , while the parabolic mirrors are not , although they may have been used to generate smoke .
The circular mirrors are effective at lighting fires while the parabolic mirrors are not , although they may have been used to produce smoke .
****
[A]: yes

A same meaning or not problem:
When Brian was only two months out of the police school , his friend Roman Pearce was caught in a garage with eight stolen vehicles .
When Brian was only two months out of the Police Academy , his friend Roman Pearce was caught in a garage with eight stolen vehicles .
****
[A]: yes

A same meaning or not problem:
Jean Alfred Fournier had two brothers , Milenko Zujovic , who wrote books on jurisprudence , and Dr. Jevrem Zujovic , whose mentor Jovan Zujovic was .
Jean Alfred Fournier had two brothers , Milenko Zujovic , who authored books on jurisprudence , and Dr. Jevrem Zujovic , whose mentor was Jovan Zujovic .
****
[A]: yes

A same meaning or not problem:
The area is famous as the site of the Battle of Chausa , where the Humayun forces defeated the army of Mughal - Emperor Sher Shah Suri in 1539 .
The area is famous as the site of the Battle of Chausa , where the Sher Shah Suri forces defeated the army of Mughal - Emperor Humayun in 1539 .
****
[A]:
no