Problem: Does "Ignoring Moltke's plan again, both German armies attacked Frossard's French 2nd Corps, fortified between Spicheren and Forbach." answer the question "Whose plan did German armies ignore in attacking Frossard?"

A: yes

Problem: Does "After the street battle in the Horlgasse on 15 June 1919, when police shot eight of his unarmed party comrades, he became disillusioned by what he saw to be the "pseudo-scientific" historical materialism of Marx, abandoned the ideology, and remained a supporter of social liberalism throughout his life." answer the question "What political doctrine interested Popper in 1919?"

A: no

Problem: Does "Phonology is a branch of linguistics concerned with the systematic organization of sounds in languages." answer the question "What is phonology a branch of?"

A:
yes