Problem: S1: The uterine arteries swell during pregnancy in order to increase ovarian blood supply .
S2: The ovarian arteries swell during pregnancy , in order to increase the uterine blood supply .

Do S1 & S2 convey the same information?

A: no

Problem: S1: Two miles north of Newton it branches off and travels east through Oblong and then to Robinson .
S2: He branches two miles north of Newton and travels east through Oblong and then to Robinson .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: The Chinese encamped about 30 Li from Zhizhi 's fortress and the two sides exchanged rather hypocritical messages .
S2: The Chinese camped about 30 Li from Zhizhi 's fortress and the two sides exchanged rather hypocritical messages .

Do S1 & S2 convey the same information?

A:
yes