A same meaning or not problem: OPTIONS:
- no
- yes
They showed how to use secure cryptography to implement a blackmail attack with key public information .
They showed how to use secure cryptography to implement a public key information extortion attack .
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[A]: yes

A same meaning or not problem: OPTIONS:
- no
- yes
Marc Marcos Baghdatis defeated Gilles Simon , 6 -- 4 , 7 - 6 .
Marcos Baghdatis defeated Gilles Simon , 6 -- 4 , 7 -- 6
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[A]: yes

A same meaning or not problem: OPTIONS:
- no
- yes
In front of the broken veranda are holes for fastening wooden pillars .
In front of the broken veranda are holes for fixing wooden pillars .
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[A]: yes

A same meaning or not problem: OPTIONS:
- no
- yes
A pneumatic control valve actuator converts energy ( typically in the form of compressed air ) into mechanical motion .
A mechanical control valve drive converts energy ( typically in the form of compressed air ) into a pneumatic motion .
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[A]:
no