Q: A double check valve or double check assembly (DCA) is a backflow prevention device designed to protect water supplies from contamination. It is also a valve used in air brake systems on heavy trucks.
Can we conclude that is a double check valve the same as a backflow preventer?
A: no

Q: 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.
Can we conclude that is it legal to marry a first cousin in australia?
A: yes

Q: Magic Kingdom's Mickey's Toontown Fair closed permanently in February 2011 in order to make way for the expansion of Fantasyland. Mickey's Country House also closed permanently at this time.
Can we conclude that is mickey mouse house still at magic kingdom?
A: no

Q: Our Lady of Guadalupe (Spanish: Nuestra Senora de Guadalupe), also known as the Virgin of Guadalupe (Spanish: Virgen de Guadalupe), is a Catholic title of the Blessed Virgin Mary associated with a venerated image enshrined within the Minor Basilica of Our Lady of Guadalupe in Mexico City. The basilica is the most visited Catholic pilgrimage site in the world, and the world's third most-visited sacred site. Pope Leo XIII granted the venerated image a Canonical Coronation on 12 October 1895.
Can we conclude that is the virgin of guadalupe the virgin mary?
A:
yes