A same meaning or not problem:
Turkey is a single system , not a federal one , and the provinces are subordinated to the centre .
Turkey is a federal not a unitary system , and the provinces are subordinated to the centre .
****
[A]: no

A same meaning or not problem:
In addition to its main studios , KTTC operates an Austin Bureau , within the Riverland Community College campus , on 8th Avenue Northwest .
In addition to the main studios , KTTC operates an Austin Bureau within the Riverland Community College Campus at 8th Avenue Northwest .
****
[A]: yes

A same meaning or not problem:
After the partition of India in 1947 , Bade Ghulam returned to his hometown of Kasur , Pakistan , but went to India in 1957 to live there permanently in 1957 .
After the partition of India in 1947 , Bade Ghulam went to his hometown of Kasur in Pakistan , but later returned to India to live there permanently in 1957 .
****
[A]: no

A same meaning or not problem:
These old rites are still performed in contemporary Sri Lanka , but the preserved songs are rarely performed by folk musicians .
These ancient rites are rarely performed in contemporary Sri Lanka , but the preserved songs are still performed by folk musicians .
****
[A]:
no