Problem: Does "East 1st Street begins just North of East Houston Street at Avenue A and continues to Bowery." answer the question "What is the spot where the grid takes hold called?"

A: no

Problem: Does "Russia experienced territorial growth through the 17th century, which was the age of Cossacks." answer the question "When did Russia experience territorial growth?"

A: yes

Problem: Does "Brilliance such as this compensated for dullness in many early magnetic pickups having drooping midrange and treble response." answer the question "Whom found Wente-style condenser microphones helpful?"

A:
no