Problem: S1: American Express later established its headquarters in a building at the intersection of Jay Street and Hudson Street , and was first called Tribeca section of Manhattan .
S2: American Express later established its headquarters in a building at the intersection of Jay Street and Hudson Street , was initially called the Tribeca section of Manhattan .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: Small mammals , including bats , are sometimes caught but insects are eaten only very rarely .
S2: Sometimes , small mammals , including bats , are caught , but insects are only very seldom eaten .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: He was born April 23 , 1979 in Guayaquil -- Ecuador , under the sign of Taurus , the last of five children .
S2: He was born on April 23 , 1979 in Ecuador -- Guayaquil , under the sign of the Taurus , the last of five children .

Do S1 & S2 convey the same information?

A:
no