A same meaning or not problem:
The segment from Kaduna to Abuja ( 187 km ) was officially opened on July 26th , 2016 after many delays .
The segment from Abuja to Kaduna ( 187 km ) was officially opened after many delays on 26 July 2016 .
****
[A]: no

A same meaning or not problem:
Ernest Renan visited Chalaaboun during his mission in Lebanon and found what he described in his book Mission de Phenicie ( 1865-1874 ) .
Ernest Renan visited Chalaaboun during his mission to Lebanon and described what he found in his book Mission de Phenicie ( 1865-1874 ) .
****
[A]: no

A same meaning or not problem:
The Agris River is a tributary of the Cormos River in Romania .
The River Cormos is a tributary of the River Agris in Romania .
****
[A]: no

A same meaning or not problem:
During a transit , Earth would be visible from Mars as a small black disc moving across the face of the Sun .
During a transit , Mars would be visible from Earth as a small black disc moving over the face of the sun .
****
[A]:
no