Problem: S1: On July 4 , 1968 , at Harper 's request , Smith resigned from the cabinet .
S2: On July 4 , 1968 , at Smith 's request , Harper resigned from the cabinet .

Do S1 & S2 convey the same information?

A: no

Problem: S1: Herberg demonstrated how immigration and religious culture were reflected in American ethnic movements and institutions .
S2: Herberg showed how immigration and religious culture were reflected in the American ethnic movements and institutions .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: Later they moved to Khulna and lived there for a couple of years until they moved to Dhaka .
S2: Later they moved to Dhaka and lived there for a couple of years until they moved to Khulna .

Do S1 & S2 convey the same information?

A:
no