A same meaning or not problem:
Renovations in 2007 have replaced the front entrance with a modern design that mimics the original facade and the higher original roof is now a simpler metal roof structure .
Renovations in 2007 have replaced the original entrance with a modern design that mimics the original facade and the taller front roof is now a simpler metal roof structure .
****
[A]: no

A same meaning or not problem:
In November of 1957 , the Federal Party merged with the United Rhodesia Party to form the United Federal Party .
In November 1957 , the United Federal Party merged with the Federal Party to form the United Rhodesia Party .
****
[A]: no

A same meaning or not problem:
One important distinction is clear , though .
One important distinction though is clear .
****
[A]: yes

A same meaning or not problem:
Five grammatical cases are differentiated : nominative , genitive , dative , accusative and vocative .
Five grammatical cases are distinguished : nominative , genitive , dative , accusative , and vocative .
****
[A]:
yes