1. There were two solutions : reduce the tension in the wire or increase its mass per unit length .
2. There were two solutions : reduce voltage in the wire or increase the mass per length unit .
OPTIONS:
- no
- yes

yes

A same meaning or not problem: OPTIONS:
- no
- yes
This was more common in urban Australia , but has been common for decades in regional Australia and southern Australia .
This was more common in regional Australia and southern Australia , but has been common for decades in urban Australia .
****
[A]: no

Same meaning?
Russell married Elizabeth Spencer daughter of Sir William . Their son William Spencer became a baronet .
Married Elizabeth Spencer , daughter of Sir William , became their son William Spencer Baronet .

OPTIONS:
- no
- yes

Answer: no

Problem: S1: Franz Ferdinand 's last words , as reported by Count Harrach , '' Sophie , Sophie !
S2: As reported by Sophie , Sophie 's last words were '' Count Harrach , Franz Ferdinand !

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: no

Problem: (1) The Straja River is a tributary of the Frasin in Romania .
(2) The Frasin River is a tributary of the Straja River in Romania .

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

OPTIONS:
- no
- yes
A: no

Problem: (1) Albion may refer to the following locations in the U.S. state of New York :
(2) New York may refer to the following places in the U.S. state of Albion .

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

OPTIONS:
- no
- yes
A:
no