Problem: Does "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." answer the question "With whom did Chopin go to London with in 1837?"

A: yes

Problem: Does "In 2009, Boston University presented him an honorary Doctor of Humane Letters degree." answer the question "What honorary degree did Spielberg receive from Boston University?"

A: yes

Problem: Does "As with previous USB versions, USB 3.0 ports come in low-power and high-power variants, providing 150 mA and 900 mA respectively, while simultaneously transmitting data at SuperSpeed rates." answer the question "What do the power variants provide?"

A:
yes