Problem: African stone tool technologies are divided into the modes outlined by Lawrence Barham and Peter Mitchell in 1969 , and proposed by Grahame Clark as follows :
African stone tool technologies are divided into modes as proposed by Grahame Clark in 1969 and outlined by Lawrence Barham and Peter Mitchell as follows :
OPTIONS:
- no
- yes
-+-
A: no

Jean Sebastien Bach performed for the first time at the age of nine and was the youngest winner of the Favier competition in Leipzig .
Favier performed at the age of nine years for the first time and was the youngest winner of the Jean Sebastien Bach competition in Leipzig .

Are these two sentences paraphrases of each other? OPTIONS:
- no
- yes
no

1. He also worked as a consulting research psychiatrist at State Hospital in Central Islip and director of research at South Oaks Psychiatric Hospital in Amityville .
2. He has also worked as a consulting research psychiatrist at the State Hospital in Amityville and a research director at the South Oaks Psychiatric Hospital in Central Islip .
OPTIONS:
- no
- yes

no

A same meaning or not problem: OPTIONS:
- no
- yes
Felix researched in Bielsko , Vienna , Prague and Jerusalem and worked for the Hadassah Medical Organization in London from 1927 to 1945 .
Felix researched in Bielsko , Vienna , Prague and London and worked in Jerusalem from 1927 to 1945 for the Hadassah Medical Organization .
****
[A]: no

Same meaning?
The base property is now referred to as Summerside Airport and the airfield has been called Slemon Park .
The base property is now referred to as Slemon Park and the airfield has been named Summerside Airport .

OPTIONS:
- no
- yes

Answer: no

Same meaning?
The total number of electrons , and electron density is much greater than in the corresponding positive corona .
The total number of electrons and electron density is much greater than in the positive corona in question .

OPTIONS:
- no
- yes

Answer:
yes