Problem: S1: The Russian villain is , however , an original and sometimes interesting danger .
S2: However , the Russian villain is an interesting and sometimes original threat .

Do S1 & S2 convey the same information?

A: no

Problem: S1: The Kabul River is a tributary of the Swat River , part of the Indus River .
S2: The Kabul River is a tributary of the Swat River , part of the Indus River basin .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: The second second is motivation , and the third is ( you guessed it ) motivation .
S2: second is motivation , and the third is ( you guessed it ) motivation. ''

Do S1 & S2 convey the same information?

A:
yes