Does the sentence "As in all lossy compression, there is a trade-off between video quality, cost of processing the compression and decompression, and system requirements." provide a valid answer to the question "What requires a high data rate?"

A: no

Does the sentence "Using this method, they were said to have predicted the time of the 2008 Sichuan earthquake with an accuracy of 1 day." provide a valid answer to the question "What did they try to establish?"

A: no

Does the sentence "They proposed that all skin fiber endings (with the exception of those innervating hair cells) are identical, and that pain is produced by intense stimulation of these fibers." provide a valid answer to the question "What does the gate control theory specify the diameter of which is responsible for the amount of pain sensation?"

A: no

Does the sentence "The North Korean contributions to the Chinese Communist victory were not forgotten after the creation of the People's Republic of China in 1949." provide a valid answer to the question "Who led the faction that challenged Kim-Il-sung?"

A:
no