A same meaning or not problem:
In 2005 , Chen was appointed assistant of Toshiaki Imai , then manager of the Chinese national team Taipei .
In 2005 , Toshiaki Imai was appointed assistant to Chen , the then manager of the Chinese Taipei national team .
****
[A]: no

A same meaning or not problem:
It was a finalist for the Sidewise Award 2002 for the best alternative history and the John W. Campbell Memorial Award 2003 .
It was a finalist for the 2002 Sidewise Award for best alternate-form long history , and the 2003 John W. Campbell Memorial Award .
****
[A]: yes

A same meaning or not problem:
The 381st Bombardment Group was formed at Pyote Air Force Base and was assigned to Ridgewell Airfield in Essex , England , about six miles from Haverhill .
The 381st Bombardement Group was formed on the Pyote Air Force Base and was assigned to Ridgewell Airfield in Haverhill , about six miles from Essex , England .
****
[A]: no

A same meaning or not problem:
In some cases , pain or at least discomfort is secondary or rather insignificant to the humiliation .
In some cases , pain , or at least discomfort , is insignificant , or rather subordinates to humiliation .
****
[A]:
no