1. The system , originally designed and manufactured by Avaya , was manufactured by Nortel from 2009 until 2017 .
2. The system , originally designed and manufactured by Nortel , was manufactured by Avaya from 2009 to 2017 .
OPTIONS:
- no
- yes

no

A same meaning or not problem: OPTIONS:
- no
- yes
Dallas entrepreneur Nick Kennedy , who founded RISE , will serve as president of the Texas and southeast region for Surf Air .
The Texan entrepreneur Nick Kennedy , who founded RISE , will serve for Surf Air as President of the Dallas and Southeast region .
****
[A]: no

Same meaning?
He received both his undergraduate bachelor 's degree and his first master 's degree from Abilene Christian University in the mid 1950s .
He received both his first Bachelor 's degree and his Bachelor 's degree from Abilene Christian University in the mid 1950 's .

OPTIONS:
- no
- yes

Answer: no

Problem: S1: Kalliyankattu Neeli of 1979 is an Indian Malayalam - horror film directed by M. Krishnan Nair and produced by M Mani .
S2: Kalliyankattu Neeli is an Indian Malayalam - horror film dating from 1979 , produced by M. Krishnan Nair and directed by M Mani .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: no

Problem: (1) Two bridges cross the river to Pental Island , on Swan Hill in the west , and Fish Point Road in the Fish Point to the east .
(2) Two bridges cross the river to Pental Island , to the west on Fish Point Road and in the east on Swan Hill at Fish Point .

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

OPTIONS:
- no
- yes
A: no

Problem: (1) In 2006 , Silverlake Partners sold the company to Goldman Sachs for 800 million US dollars .
(2) Goldman Sachs sold the company to Silverlake Partners for US $ 800 million in 2006 .

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

OPTIONS:
- no
- yes
A:
no