This research has frequently led him to South Africa , where he concentrates on the Royal Bafokeng Nation , as well as Brazil and Jamaica .
This research has taken him frequently to Jamaica , where he focuses on the Royal Bafokeng Nation as well as Brazil and South Africa .

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

1. The river Zabratau is a tributary of the Bota Mare river in Romania .
2. The Bota Mare River is a tributary of the Zabratau River in Romania .
OPTIONS:
- no
- yes

no

A same meaning or not problem: OPTIONS:
- no
- yes
Big Creek is a tributary of the San Joaquin River in the Sierra National Forest , within the Sierra Nevada , central California .
Big Creek is a tributary of the San Joaquin River in the Sierra Nevada , in the Sierra National Forest in Central California .
****
[A]: no

Same meaning?
Winner effects were shown when established non-experienced chicks were placed against dominant chicks in a study by Drummond .
Winner - Effects were shown when established unexperienced chicks were placed in a study by Drummond against dominant chicks .

OPTIONS:
- no
- yes

Answer: yes

Problem: S1: Schutzen-Eisenberg is a municipality in Oberwart in the district of Burgenland in Austria .
S2: Schutzen-Eisenberg is a municipality in Burgenland in the Oberwart district of Austria .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: no

Dyadic natural males do not have the anatomy needed for human embryonic and foetal development .
Dyadic natural males do not have the anatomy needed for human embryonic and fetal development .

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