Problem: S1: Instead , AC3 enables producers to choose the input level over a wide range by representing a measured dialog value , including the required dialog level of the input signal .
S2: Instead , AC3 allows producers to choose input level over a wide range , by representing a measured dialnorm value , including the required dialog level of the input signal .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: The district of Waitaki , in the regions of Canterbury and Otago in New Zealand , stretches the traditional border between the two regions , the Waitaki River .
S2: The Waitaki River district in the regions of Canterbury and Otago in New Zealand spans the traditional border between the two regions , the Waitaki .

Do S1 & S2 convey the same information?

A: no

Problem: S1: There was once a Nottingham railway station on the line between Market Harborough and Hallaton .
S2: On the line between Market Harborough and Nottingham , there was once a train station of Hallaton .

Do S1 & S2 convey the same information?

A:
no