Problem: S1: At BHCC , Phillips Brooks preached his last sermon and his Christmas Carol '' O Little Town of Bethlehem '' had its first performance .
S2: At BHCC , Phillips Brooks preached its last sermon , and its Christmas carol '' O Little Town of Bethlehem '' had its first appearance .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: Mowbray Park , a large park on the riverside , was the location of a public swimming pool built into the river until the 1930s .
S2: Until the 1930s , the Mowbray Park , a public river park , was the site of a large swimming pool built into the river .

Do S1 & S2 convey the same information?

A: no

Problem: S1: However , it was a spiritual ceremony and not a legal one .
S2: However , it was a legal , and not a spiritual ceremony .

Do S1 & S2 convey the same information?

A:
no