Problem: S1: While octreotide has reduced the terminal threonin to the corresponding amino alcohol .
S2: While octreotide has the corresponding amino threonine reduced to the terminal alcohol .

Do S1 & S2 convey the same information?

A: no

Problem: S1: The three inexperienced pilots were allowed to attack it , but they only managed to damage the bomber .
S2: Johnson allowed the three inexperienced pilots to damage it , but they only managed to attack the bomber .

Do S1 & S2 convey the same information?

A: no

Problem: S1: The countries on this list are currently Iran , Syria , Sudan and North Korea .
S2: The countries on this list are currently Iran , North Korea , Sudan and Syria .

Do S1 & S2 convey the same information?

A:
yes