Problem: S1: Peggy Edenfield testified in the case against her husband David and has also agreed to testify against her son George during his trial .
S2: Peggy Edenfield testified against her husband David in that case and also agreed to testify during his trial against her son , George .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: The isogonal conjugates of the Fermat points are the isodynamic points and vice versa .
S2: The isogonal conjugates of the fermat points are isodynamic points and vice versa .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: Cobian Backup was a free , written backup software for Microsoft Windows and is supported by Luis Cobian of Umea University in Delphi .
S2: Cobian Backup was a free , donation-supported backup software for Microsoft Windows and was written by Luis Cobian of Umea University in Delphi .

Do S1 & S2 convey the same information?

A:
no