The orbital data is consistent with the secondary component of either a white dwarf or a red dwarf star .
The orbital data are consistent with the secondary component either a red dwarf or a white dwarf star .

Are these two sentences paraphrases of each other?
yes

Mabel Lewis married Hansen and they had two children .
Mabel Lewis married Hansen , they had two children .

Are these two sentences paraphrases of each other?
yes

He was steward of the Royal Forest of Staffordshire in 1541 , and in 1559 -- 60 became escheator for Cannock .
He was Steward of the Royal Forest of Staffordshire in 1541 and became 1559 -- 60 tenters for Cannock .

Are these two sentences paraphrases of each other?
no

Bilal Ali Hussein Qwaider ( born May 7 , 1993 ) is a Jordanian football player who plays for Al-Faisaly .
Bilal Ali Hussein Qwaider ( born May 7 , 1993 ) is a Jordanian football player of Palestinian descent who plays for Al-Faisaly .

Are these two sentences paraphrases of each other?
yes