John R. MacLean was elected speaker in 1965 . Frank Myers replaced MacLean as speaker in 1965 .
Frank Myers was elected speaker . John R. MacLean replaced MacLean as speaker in 1965 .

Are these two sentences paraphrases of each other?
no

The Royal Thai Government officially turned Korat over to the USAF on 26 February 1976 .
Korat officially handed over the royal Thai government to the USAF on 26 February 1976 .

Are these two sentences paraphrases of each other?
no

Born in Chicago , Wagenknecht grew up and went to school in Oak Park , Illinois .
Wagenknecht , born in Chicago , grew up and went to school at Oak Park , Illinois .

Are these two sentences paraphrases of each other?
yes

The T helper cells then activate the B cells , which are also in the presence of these antigens , causing the production of autoantibodies .
The T helper cells then activate B cells , which are also in the presence of these antigens , causing the production of autoantibodies .

Are these two sentences paraphrases of each other?
yes