Q: Does "Investment banks on Wall Street answered this demand with products such as the mortgage-backed security and the collateralized debt obligation that were assigned safe ratings by the credit rating agencies." provide a valid answer to "What is an example of a product Wall Street invented to answer the demand for income generating investments?"?
A: yes

Q: Does "Uranium salts are mordants of silk or wool." provide a valid answer to "What light bulbs use lamp filaments containing uranium?"?
A: no

Q: Does "It was proposed in the mid-1800s that one hundred dollars be known as a union, but no union coins were ever struck and only patterns for the $50 half union exist." provide a valid answer to "What was the maximum value a gold coin used to be able to have?"?
A: no

Q: Does "When Louis Philippe made a reciprocal trip in 1844, he became the first French king to visit a British sovereign." provide a valid answer to "What happened to Louis Philippe after the revolution in France?"?
A:
no