Problem: S1: Kazuyoshi Katayama and other animators worked together before working on '' The Big O '' with Yasuhiro Imagawa '' .
S2: Before working on '' The Big O '' , Yasuhiro Imagawa and other animators worked with Kazuyoshi Katayama on '' .

Do S1 & S2 convey the same information?

A: no

Problem: S1: The Chinese encamped about 30 Li from Zhizhi 's fortress and the two sides exchanged rather hypocritical messages .
S2: The Chinese camped about 30 Li from Zhizhi 's fortress and the two sides exchanged rather hypocritical messages .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: From 1993 to 2001 , Huntsman served as an executive for the Huntsman Corporation , chairman of the Huntsman Family Holdings Company , and CEO of Huntsman Cancer Foundation .
S2: From 1993 to 2001 , Huntsman served as Chief Executive Officer of Huntsman Corporation , Chairman of the Huntsman Cancer Foundation and CEO of the Huntsman Family Holdings Company .

Do S1 & S2 convey the same information?

A:
no