Input:
Are these paraphrases?
Research in medical physiology began in 1950 through a small group of scientists and military physiologists at the Defence Science Laboratory , Delhi .
Research in military physiology began in 1950 with a small group of scientists and medical physiologists at the Defence Science Laboratory in Delhi .

OPTIONS:
- no
- yes
Output:
[no]

Input:
Are these paraphrases?
The chiral centers in Pumiliotoxin 251D can create several stereoisomers of the connection : only one form of toxin is present in nature and has toxic properties .
The chiral centers in pumiliotoxin 251D can give toxic stereoisomers of the compound . Only one form of the toxin is present in nature and has several properties .

OPTIONS:
- no
- yes
Output:
[no]

Input:
Are these paraphrases?
Cobian Backup is a free , written backup software for Microsoft Windows , supported by Luis Cobian of Umea University in Delphi .
Cob Cobian Backup was a free , donation-supported backup software for Microsoft Windows , written by Luis Cobian of Umea University , Delphi .

OPTIONS:
- no
- yes
Output:
[no]