Are these paraphrases?
Papanui is a former New Zealand parliamentary electorate . The electorate existed in the northern suburbs of the city of Christchurch , and was from 1969 to 1984 .
Papanui is a former New Zealand parliamentary electorate which existed in the northern suburbs of the city of Christchurch and which was from 1969 to 1984 .

Available options:
(a). no;
(b). yes;
(b).