Task: Question Answering
Input (English): passage: In the past, cousin marriage was practised within indigenous cultures in Australia, North America, South America, and Polynesia. Various religions have ranged from prohibiting sixth cousins or closer from marrying, to freely allowing first-cousin marriage. Cousin marriage is an important topic in anthropology and alliance theory.
 question: is it legal to marry a first cousin in australia?
Output (English): Yes