Problem: S1: '' Darn That Dream '' is a popular song with music by Jimmy Van Heusen and lyrics by Eddie DeLange , published in 1939 .
S2: '' Darn That Dream '' is a popular song with music by Eddie DeLange and texts by Jimmy Van Heusen , published 1939 .

Do S1 & S2 convey the same information?

A: no

Problem: S1: He uses three keyboards , which he plays with a stick attached to the neck of his guitar .
S2: He plays three keyboards , which he uses with a bar attached to the neck of his guitar .

Do S1 & S2 convey the same information?

A: no

Problem: S1: Research and innovation in Europe is also supported by the programme Horizon 2020 , which is financially open to participation worldwide .
S2: Research and innovation in Europe is also supported by the Horizon 2020 programme , which is financially open to participation throughout the world .

Do S1 & S2 convey the same information?

A:
yes