Does "Notable Greek opera singers and classical musicians of the 20th and 21st century include Maria Callas, Nana Mouskouri, Mario Frangoulis, Leonidas Kavakos, Dimitris Sgouros and others." contain the correct answer to "Who is one of the notable Greek opera singers in the 20th century?"
OPTIONS:
- yes
- no

A: yes

Does "Generally, the west-central and northwestern parts of the city and U-M's North Campus are the highest parts of the city; the lowest parts are along the Huron River and in the southeast." contain the correct answer to "What is the name of the city's airport?"
OPTIONS:
- yes
- no

A: no

Does "After the war, the Aegidienkirche was not rebuilt and its ruins were left as a war memorial." contain the correct answer to "Which campaign specifically was Hanover a target for in World War II?"
OPTIONS:
- yes
- no

A:
no