Problem: S1: The Clarinda Post Office was opened on 13 September 1911 and reopened in 1971 , when it was developed in 1984 .
S2: Clarinda Post Office opened on 13 September 1911 and closed in 1971 . When the suburb was developed it reopened in 1984 .

Do S1 & S2 convey the same information?

A: no

Problem: S1: In 1901 , Emma Goldman met Winn in Chicago , and found in her a lasting ally .
S2: In 1901 , Winn met Emma Goldman in Chicago and found a lasting ally .

Do S1 & S2 convey the same information?

A: no

Problem: S1: The Handbook of the Birds of India and Pakistan is the '' magnum opus '' of Indian ornithologist Salim Ali , written along with S. Dillon Ripley .
S2: The Handbook of the Birds in India and Pakistan is the '' Magnum Opus '' of the Indian ornithologist Salim Ali , along with S. Dillon Ripley .

Do S1 & S2 convey the same information?

A:
yes