Problem: S1: The partially closed short vowels began as initial , unemphasized vowels , but were reduced later .
S2: The partially closed initial unstressed vowels began as short vowels , but were later reduced .

Do S1 & S2 convey the same information?

A: no

Problem: S1: The song was composed and written by Gilles Thibaut .
S2: The song was composed by Gilles Thibaut and written by .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: Herman Johannes married Annie Marie Gilbertine Amalo in 1955 .
S2: In 1955 , Annie Marie Gilbertine Amalo married Herman Johannes .

Do S1 & S2 convey the same information?

A:
yes