Does the sentence "In 2008, L'Oreal was accused of whitening her skin in their Feria hair color advertisements, responding that "it is categorically untrue", and in 2013, Beyonce herself criticized H&M for their proposed "retouching" of promotional images of her, and according to Vogue requested that only "natural pictures be used"." provide a valid answer to the question "What advertisement was Beyonce's skin supposedly lightened in?"

A: yes

Does the sentence "During the 1960s, when European powers granted independence to their colonies and trust territories in Africa, pressure mounted on South Africa to do so in Namibia." provide a valid answer to the question "When did South Africa occupy Namibia?"

A: no

Does the sentence "This type of testing focuses on the operational readiness of the system to be supported, and/or to become part of the production environment." provide a valid answer to the question "What is Operational Acceptance limited to while testing?"

A: no

Does the sentence "Contact with European diseases such as smallpox and measles killed between 50 and 67 per cent of the Aboriginal population of North America in the first hundred years after the arrival of Europeans." provide a valid answer to the question "What percent of the Aboriginal population of North America was killed in the first hundred years after first contact by smallpox and measles?"

A:
yes