Problem: S1: Both segments were abandoned beginning with the Lafayette segment in 2002 and the Hurtsboro line in 2003 .
S2: Both track sections were abandoned with the Hurtsboro segment in 2002 and the Lafayette line in 2003 .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: no

Problem: S1: The area in which Crookston is located remained virtually unoccupied during pre-European contact and was little more than a hunting ground , associated with the Pembina settlements , until the 1860s .
S2: The area where Crookston is located remained virtually unfilled during pre-European contact and until the 1860s was little more than a hunting ground associated with the Pembina settlements .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: yes

Problem: S1: Most transmitters have the heterodyne principle , so they also use frequency conversion units .
S2: Most transmitters use the heterodyne principle so that they also have frequency conversion units .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A:
no