Problem: S1: The majority of Afghan patients come from the poorer sections of society who have access to free medical treatment in the Pakistani government or philanthropic healthcare facilities .
S2: The majority of philanthropic patients are from the poorer strata of society who have access to free medical treatment in Afghan government or Pakistani healthcare facilities .

Do S1 & S2 convey the same information?

A: no

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

Problem: S1: The large area of black is shaded first with blue and then with green .
S2: The large area of black is first shaded with blue and then with green .

Do S1 & S2 convey the same information?

A:
yes