Problem: S1: This is also a shearing effect : when the focal length is smaller , the shearing effect is greater .
S2: This is also a shearing effect : if the focal length is larger , the shearing effect is smaller .

Do S1 & S2 convey the same information?

A: no

Problem: S1: In Brazil , the brand IPHONE was registered in 2000 by the company now called Gradiente Eletronica S.A. , then IGB Eletronica S.A .
S2: In Brazil the brand IPHONE was in 2000 by the then company Gradiente Eletronica S.A. , now IGB Eletronica S.A .

Do S1 & S2 convey the same information?

A: no

Problem: S1: At BHCC , Phillips Brooks preached his first sermon and his Christmas Carol '' O Little Town of Bethlehem '' had its last performance .
S2: Phillips Brooks preached its first sermon at BHCC and its Christmas song '' O Little Town of Bethlehem '' had its last performance .

Do S1 & S2 convey the same information?

A:
yes