Does the sentence "A child prodigy, he completed his musical education and composed his earlier works in Warsaw before leaving Poland at the age of 20, less than a month before the outbreak of the November 1830 Uprising." provide a valid answer to the question "At what age did Chopin leave Poland?"

A: yes

Does the sentence "On 17 January 1882, Latimer received a patent for the "Process of Manufacturing Carbons", an improved method for the production of light bulb filaments, which was purchased by the United States Electric Light Company." provide a valid answer to the question "Which company purchased Latimer's patent?"

A: yes

Does the sentence "While only a few masters exist to continue traditional art forms, the resurgence of interest among the Chamorros to preserve the language and culture has resulted in a growing number of young Chamorros who seek to continue the ancient ways of the Chamorro people." provide a valid answer to the question "What has recently led to a resurgence in the Chamorros culture and preservation of their old ways?"

A: yes

Does the sentence "By contrast the MSRP of the MacBook laptop lines have dropped through successive generations such that the MacBook Air and MacBook Pro constitute the lowest price of entry to a Mac, with the exception of the even more inexpensive Mac Mini (the only sub-$1000 offering from Apple, albeit without a monitor and keyboard), not surprisingly the MacBooks are the top-selling form factors of the Macintosh platform today." provide a valid answer to the question "What is the name of the most inexpensive Mac offered?"

A:
yes