Does the sentence "Numbers of the most wealthy and affluent American families as the Vanderbilts and the Astors, Rockefeller, Du Pont, Roosevelt, Forbes, Whitneys, the Morgans and Harrimans are Mainline Protestant families." provide a valid answer to the question "Affluent American families are what type of families?"

A: yes

Does the sentence "In June 1837 Chopin visited London incognito in the company of the piano manufacturer Camille Pleyel where he played at a musical soiree at the house of English piano maker James Broadwood." provide a valid answer to the question "With whom did Chopin go to London with in 1837?"

A: yes

Does the sentence "The grants were in the order of 400,000 USD for their first phase, followed by typically 1-3 million USD for their second phase; many of them investigated resource recovery or processing technologies for excreta or fecal sludge." provide a valid answer to the question "What did many investigate"

A: yes

Does the sentence "The government has successfully imposed environmental protection and tourism development, meeting European standards, and it is the only state which forbids the use of polyethylene and tobacco products.[citation needed]" provide a valid answer to the question "What is Himachal Pradesh rank according to the 2005 Transparency international survey?"

A:
no