Sentence 1: After Sheila was raped in 1986 and the death of son Bobby in 1987 , Damon and Sheila began to shake marriage .
Sentence 2: After Sheila was raped in 1986 and the death of son Bobby in 1987 , Damon and Sheila 's marriage began to falter .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?