Does the sentence "This theory helped refine the predictions of his earlier formulated Dirac equation, and successfully predicted the existence of the positron, confirmed two years later." provide a valid answer to the question "What theorized that time and energy can be measured?"

A: no

Does the sentence "Another fast-food chain, Bojangles', was started in Charlotte, and has its corporate headquarters there." provide a valid answer to the question "What city was Cheerwine created and based in?"

A: no

Does the sentence "Some 6,000 families of Indian descent resided in the Richmond Region as of 2011." provide a valid answer to the question "How many Indian-descended families lived in or around Richmond in 2011?"

A: yes

Does the sentence "Just days before the relay supporters of Falun Gong demonstrated in front of the Chinese embassy in the Malaysian capital." provide a valid answer to the question "Which supporters protested near the Chinese embassy in Malaysia?"

A:
yes