Does the sentence "Individuals may or may not consider their sexual orientation to define their sexual identity, as they may experience various degrees of fluidity of sexuality, or may simply identify more strongly with another aspect of their identity such as family role." provide a valid answer to the question "What does research show about sexual orientation?"

A: no

Does the sentence "The Chinese Luncheon Room and Yellow Drawing Room are situated at each end of this gallery, with the Centre Room obviously placed in the centre." provide a valid answer to the question "Which Queen enhanced the Chinese theme of the Centre Room in the 1920s?"

A: no

Does the sentence "Von Neumann provided an abstract exploration of dimension in completed complemented modular topological lattices: "Dimension is determined, up to a positive linear transformation, by the following two properties." provide a valid answer to the question "Who wrote that "John von Neumann's brilliant mind blazed over lattice theory like a meteor?""

A: no

Does the sentence "By 800 BC, iron-making technology had spread to Europe, arriving in Japan around 700 AD." provide a valid answer to the question "When did iron making technology begin in Japan?"

A:
yes