A same meaning or not problem:
In 2017 , Cetera Co-headliner for the Night of the Proms in Germany and Luxembourg was his first time in Germany for 35 years .
In 2017 , Cetera was a co-headliner for the Night of the Proms in Germany and Luxembourg , his first time performing in Germany in 35 years .
****
[A]: yes

A same meaning or not problem:
When a solvent is shaken , two nonmixable liquids are extracted together .
When a solvent is extracted , two unmixed liquids are shaken together .
****
[A]: no

A same meaning or not problem:
Santa Ana Nopalucan is a municipality in southeastern Mexico in Tlaxcala .
Santa Ana Nopalucan is a municipality in Mexico , in the south-eastern Tlaxcala .
****
[A]: no

A same meaning or not problem:
However , there was only one scholarship awardee and Qian published two or three more articles than Li , so Qian was preferred .
There was only one scholarship however , and Li published two or three more articles as Qian , so Qian was preferred .
****
[A]:
no