Problem: S1: The PGM 500 and PGM 2000 are guided bombs developed by MBDA and now distributed by Alenia Marconi Systems .
S2: The PGM 500 and PGM 2000 are guided bombs developed by Alenia Marconi Systems and are now marketed by MBDA .

Do S1 & S2 convey the same information?

A: no

Problem: S1: Thomas John ( born February 12 , 1979 ) is an American entrepreneur who , in 2008 , founded Tom Patterson Company .
S2: Tom Patterson ( born February 12 , 1979 ) is an American entrepreneur who , in 2008 , founded Tommy John .

Do S1 & S2 convey the same information?

A: no

Problem: S1: Roxus supported the international bands Poison and Bon Jovi on their respective Australian tours in 1989 .
S2: In 1989 Roxus supported international bands , Poison and Bon Jovi , on their respective Australian tours .

Do S1 & S2 convey the same information?

A:
yes