Petre Bay
Petre Bay is a large bay which comprises about half of the west coast of Chatham Island , the largest island in New Zealand's Chatham Islands archipelago . 
<triplet> Chatham Island <subj> New Zealand <obj> country <subj> Chatham Islands <obj> part of <triplet> Chatham Islands <subj> Chatham Island <obj> has part <subj> New Zealand <obj> country