He intervened in the war of Awan and Waroux and participated in the siege of Maastricht in 1334 .
He participated in the War of Awans and Waroux and intervened in the 1334 siege of Maastricht .

Are these two sentences paraphrases of each other?
no

George George Harrison considered Mukunda and the others who came to England first to become his lifelong friends .
Mukunda considered George Harrison and the others who came to England for the first time to be his lifelong friends .

Are these two sentences paraphrases of each other?
no

The chiral centers in Pumiliotoxin 251D can create several stereoisomers of the connection : only one form of toxin is present in nature and has toxic properties .
The chiral centers in pumiliotoxin 251D can give toxic stereoisomers of the compound . Only one form of the toxin is present in nature and has several properties .

Are these two sentences paraphrases of each other?
no

Hendrik Dreekmann defeats Pete Sampras 7 -- 5 , 6 -- 2 , 6 -- 0
Hendrik Dreekmann defeated Pete Sampras 7 -- 5 , 6 -- 2 , 6 -- 0

Are these two sentences paraphrases of each other?
yes