1. These groups are conjugated Tori of SO ( 4 ) , which in SO ( 4 ) are all maximal , see also Clifford - Torus .
2. These groups are conjugate tori of SO ( 4 ) , which are all mutually maximal in SO ( 4 ) . See also Clifford torus .
OPTIONS:
- no
- yes

yes

A same meaning or not problem: OPTIONS:
- no
- yes
The Beliu River or Agris River is a tributary of the Botfei River in Romania .
The Beliu River or Agri '' River is a tributary of the Botfei River in Romania .
****
[A]: yes

Same meaning?
The museum consists of a new information room , a restoration hangar , the main hangar Texas Flying Legends and the hangar Oswin H. Elker .
The museum consists of a main information room , a restoration hangar , the new Texas Flying Legend Hangar and the Oswin H. Elker Hangar .

OPTIONS:
- no
- yes

Answer: no

Problem: S1: Margaret Beaufort ( 1437 -- 1474 ) was a daughter of Edmund Beaufort , 2nd Duke of Somerset and Lady Eleanor Beauchamp .
S2: Margaret Beaufort ( 1437 - 1474 ) was a daughter of Edmund Beaufort , 2nd Duke of Somerset and Lady Eleanor Beauchamp .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: yes

Problem: (1) The river Crisul Mic is a tributary of the Doba River in Romania .
(2) The Crisul Mic River is a tributary of the Doba River in Romania .

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

OPTIONS:
- no
- yes
A: yes

Problem: (1) SWAs are responsible for urban water supply , in some countries also for rural water supply .
(2) SWAs are responsible for rural water supply , and in some states also for urban water supply .

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

OPTIONS:
- no
- yes
A:
no