A same meaning or not problem: OPTIONS:
- no
- yes
He was a lifelong friend of Lewis Carroll ( 'Charles Lutwidge Dodgson ' ) , and encouraged Dodgson to take up photography .
He was a lifelong friend of Lewis Carroll ( '' Charles Lutwidge Dodgson '' ) , and encouraged Dodgson to take photography .
****
[A]: yes

Same meaning?
Captain Saddam Haftar and Captain Khalid Haftar are officers of the Libyan National Army , while Al-Sadiq Haftar is also in Libya .
Captain Saddam Haftar and Captain Khalid Haftar are officers in the Libyan National Army , while Al-Sadiq Haftar is also in Libya .

OPTIONS:
- no
- yes

Answer: yes

Problem: S1: Sidmouth was the son of Reverend Henry Addington , 2nd Viscount Sidmouth , eldest son of Prime Minister William Leonard Addington and 1st Viscount Sidmouth .
S2: The son of Reverend William Leonard Addington , 2nd Viscount Sidmouth , eldest son of Prime Minister Henry Addington , 1st Viscount Sidmouth .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: no

Problem: (1) Some organic compounds are valid minerals , which are recognized by the IMA ( CNMNC ) .
(2) Some organic compounds are valid minerals , recognized by the CNMNC ( IMA ) .

Do (1) and (2) mean the same thing?

OPTIONS:
- no
- yes
A: yes

Please check if these have the same meaning.
When he was replaced by Plettner in 1981 , Karlheinz Kaske became the first chairman of the supervisory board not to be a member of the Siemens family .
In 1981 , when he succeeded Karlheinz Kaske , Plettner became the first Chairman of the Supervisory Board who was not a member of the Siemens family .
OPTIONS:
- no
- yes
Answer: no

A same meaning or not problem: OPTIONS:
- no
- yes
He graduated from MIT in 1891 , and then received a master 's degree from Harvard University in 1893 .
He graduated from Harvard University in 1891 and received a Master 's degree in 1893 from MIT .
****
[A]:
no