A same meaning or not problem: OPTIONS:
- no
- yes
If he saw two white hats , he could conclude that he was wearing a black hat .
If he saw two black hats , he could have assumed that he was wearing a white hat .
****
[A]: no

A same meaning or not problem: OPTIONS:
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- yes
At the age of nine , Garcia appeared in his first concert and has since appeared alone or with his aunt and uncle in all parts of France .
Garcia performed in his first concert at the age of nine , and since then he appeared alone or with his aunt and uncle in all parts of France .
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[A]: yes

A same meaning or not problem: OPTIONS:
- no
- yes
Her father , Mitchell Melich , served in the Senate of Utah and ran unsuccessfully in 1964 for the governor of Utah against the democrat Calvin L. Rampton .
Her father , Democrat Calvin L. Rampton , served in the Utah State Senate and was unsuccessful in 1964 for the governor of Utah against Mitchell Melich .
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[A]: no

A same meaning or not problem: OPTIONS:
- no
- yes
As part of this process , the airline was divided into two portions , informally known as '' old '' Varig and '' new '' Varig .
As part of this process , the airline was divided into two parts , informally known as '' old '' Varig and '' new '' Varig .
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[A]:
yes