Problem: S1: El Arco Mine is a large copper mine in the northwest of the Baja California in Mexico .
S2: The El Arco Mine is a large copper mine in the northwest of Mexico in Baja California .

Do S1 & S2 convey the same information?

A: no

Problem: S1: Today ( from 2013 to 2017 ) the mayor is Fernando Nogueira , elected by the PenCe ( independent movement ) . The municipal holiday is October 1st .
S2: The current mayor ( from 2013 to 2017 ) is Fernando Nogueira , elected by the PenCe ( municipal movement ) , the independent holiday is October 1 .

Do S1 & S2 convey the same information?

A: no

Problem: S1: Born in Presque Isle , Maine , Cariani was eight when his family moved to Brockton , Massachusetts .
S2: Cariani was born in Presque Isle , Maine . He was eight when his family moved to Brockton , Massachusetts .

Do S1 & S2 convey the same information?

A:
yes