Problem: S1: Roberto de Oliveira also known as Roberto Oliveira ( born December 16 , 1980 in Brazil ) is a Brazilian footballer .
S2: Roberto Oliveira is also known as Roberto de Oliveira ( born December 16 , 1980 in Brazil ) , a Brazilian footballer .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: The MSX2 series features a Yamaha V9938 - video chip that has a 9-bit RGB palette ( 512 colours ) and manages some extended graphic modes .
S2: The MSX2 series features a Yamaha V9938 video chip , which manages a 9-bit RGB palette ( 512 colors ) and has some extended graphic modes .

Do S1 & S2 convey the same information?

A: no

Problem: S1: A virtual instrument is a kind of synthetic instrument that is purely software defined .
S2: A virtual instrument is a kind of synthetic instrument that is defined purely by software side .

Do S1 & S2 convey the same information?

A:
yes