Does the sentence "Returning home to Brantford after six months abroad, Bell continued his experiments with his "harmonic telegraph".[N 12]" provide a valid answer to the question "Bell needed to fix both the transmitter and what?"

A: no

Does the sentence "In doing so, he takes occasion to repudiate altogether the view that the conception of Mary was sinless." provide a valid answer to the question "What did the query starter believe had been done by Mary's direct maternal line that contradict the conception theory of immaculate for Mary ?"

A: no

Does the sentence "By the late 19th century, the most conservative elements within the Qing court could no longer ignore China's military weakness." provide a valid answer to the question "What was the Qing governments attempt to create a modern socity called?"

A: no

Does the sentence "Some speculation exists that the Pechenegs drove off the Tivertsi and the Ulichs to the regions of the upper Dniester river in Bukovina." provide a valid answer to the question "What did the Pecheneg frequesntly do over the span of two centuries?"

A:
no