Same meaning?
His troops , however , were enough to prevent a Serbian invasion , and he introduced the Serbian delegation that negotiated with the Bulgarian king , Stefan Decanski .
However his troops were enough to prevent a Serbian invasion and he led the Serbian delegation which negotiated with the Bulgarian King Stefan Decanski .

OPTIONS:
- no
- yes

Answer: yes

Problem: S1: The poetic cosmogony of Thales , who made water the first element , can be seen as a natural excess of this pre-socratic thinking .
S2: The poetic cosmogony of Thales , who made water the first element , may be seen as a natural outgrowth of this pre-Socratic thinking .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: yes

Problem: (1) The Mine South Deep is a large mine in the northern part of Gauteng in South Africa .
(2) The Mine South Deep is a big mine in the northern part of South Africa in Gauteng .

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

OPTIONS:
- no
- yes
A: no

Please check if these have the same meaning.
He was ordered to New Mexico Territory in 1860 and promoted to the rank of captain on December 20 at the 4th Infantry .
He was ordered to New Mexico Territory in 1860 , and was promoted to the rank of captain in the 4th Infantry on December 20 .
OPTIONS:
- no
- yes
Answer: yes

Problem: Aaron then leaves Summer Bay after Justine refuses to help her .
Justine leaves Summer Bay after Aaron refuses to help .
OPTIONS:
- no
- yes
-+-
A: no

Problem: A section of the line remains in place , and is also known as the Phoenixville Industrial track ( currently owned by NS ) .
A section of the route remains in place and is also known as the Phoenixville Industrial Track ( currently owned by NS ) .
OPTIONS:
- no
- yes
-+-
A:
yes