In August 1927 , Mao finished his marriage with Yang and began a relationship with He Zizhen in early 1928 .
In August 1927 , Mao ended his marriage with Yang ; and , in early 1928 , he began a relationship with He Zizhen .

Are these two sentences paraphrases of each other?
yes

He retired in 1951 and died in 1956 .
In 1951 , he died and retired in 1956 .

Are these two sentences paraphrases of each other?
no

Similarly , northern populations annually migrate between regions to the west of the Rocky Mountains , including Western Canada , and overwintering areas on the California coast .
Similarly , the western populations migrate annually between regions west of the Rocky Mountains including northern Canada and overwintering sites on the coast of California .

Are these two sentences paraphrases of each other?
no

Ignjat Job painted colourful landscapes on the island of Braa in a personal Expressionist style .
On the island of Brac , Ignjat Job painted colourful landscapes in a personal Expressionist style .

Are these two sentences paraphrases of each other?
yes