Problem: S1: He frequently attended ballet performances at the Paris Opera and frequently observed classes at the dance school .
S2: He frequently attended ballet performances at the Paris Opera and often observed classes at the dance school .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: The last season of National Cheerleading Championships was held in the PhilSports Arena , Pasig City , March 3 , 2008 .
S2: The last season of the National Cheerleading Championships was held in PhilSports Arena , Pasig City 3rd March 9 , 2008 .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: The current Chief Executive Officer is Beth Janson , and the Chairman of the Board is Martin Katz .
S2: The current chief executive officer is Martin Katz , and the chair of the board is Beth Janson .

Do S1 & S2 convey the same information?

A:
no