Does the sentence "In July 1854, the Turks under Omar Pasha crossed the Danube into Wallachia and on 7 July 1854, engaged the Russians in the city of Giurgiu and conquered it." provide a valid answer to the question "The city of Varna is located on what coast of the Black Sea?"

A: no

Does the sentence "Sometimes, political, social and economic circumstances, and public opinion are the reason for others parties' failure." provide a valid answer to the question "What are some of the reasons for a party's failure?"

A: yes

Does the sentence "The USSR annexed the whole of Lithuania, including the Scheschupe area, which was to be given to Germany." provide a valid answer to the question "What region of Lithuania was to be turned over to the Nazis?"

A: yes

Does the sentence "Walker was also instrumental in recruiting members to the board of directors when the company went public in 1988." provide a valid answer to the question "What did Lee Walker recruit members to Dell for?"

A:
yes