Does the sentence "Egyptians used music instruments since then." provide a valid answer to the question "What elements mix for Egyptian music?"

A: no

Does the sentence "Also, contrary to common belief, David Lindberg writes, "the late medieval scholar rarely experienced the coercive power of the church and would have regarded himself as free (particularly in the natural sciences) to follow reason and observation wherever they led"." provide a valid answer to the question "Who argued that scholars in the Middle Ages were rarely coerced by the Church?"

A: yes

Does the sentence "Fryderyk may have had some piano instruction from his mother, but his first professional music tutor, from 1816 to 1821, was the Czech pianist Wojciech Zywny." provide a valid answer to the question "What did Frederic compose during the year of 1817?"

A: no

Does the sentence "With this initial data release, the group stated "Avid Life Media has been instructed to take Ashley Madison and Established Men offline permanently in all forms, or we will release all customer records, including profiles with all the customers' secret sexual fantasies and matching credit card transactions, real names and addresses, and employee documents and emails." provide a valid answer to the question "What website, in addition to Ashley Madison, was Avid Media instructed to take offline?"

A:
yes