A same meaning or not problem:
He took the fourth place in 1984 Olympic Games , but he beat the gold medalist Jeff Blatnick at the first round .
He took first place at the Olympic Games in 1984 , but he beat the gold medal winner Jeff Blatnick in the fourth round .
****
[A]: no

A same meaning or not problem:
The election of Lincoln in 1860 opened a new era of republican dominance in the agricultural north and the industrial Midwest .
The election of Lincoln in 1860 opened a new era of Republican dominance based in the agricultural North and industrial Midwest .
****
[A]: yes

A same meaning or not problem:
The leader of the geological party was his elder mentor , Mike Morton .
The leader of the old party was his geological mentor Mike Morton .
****
[A]: no

A same meaning or not problem:
During this raid an Egyptian Missile boat was sunk using anti-tank M72 LAW missiles .
During this raid , an Egyptian missile boat was sunk with anti-tank missiles ( M72 LAW ) .
****
[A]:
yes