Q: Does "After the war, on June 28, 1919, Germany signed (under protest) the Treaty of Versailles." provide a valid answer to "On what date was the Treaty of Versailles signed?"?
A: yes

Q: Does "Sergei Diaghilev commissioned additional orchestrationsfrom Stravinsky, Anatoly Lyadov, Sergei Taneyev and Nikolai Tcherepninfor later productions, which used the title Les Sylphides." provide a valid answer to "Which 1909 ballet used Chopin's music?"?
A: no

Q: Does "(c. 15241580) wrote the epic poem "Os Lusiadas" (The Lusiads), with Virgil's Aeneid as his main influence." provide a valid answer to "What was Luis de Camoes main influence?"?
A: yes

Q: Does "The new title was proclaimed at the Delhi Durbar of 1 January 1877." provide a valid answer to "When was Queen Victoria named the Empress of India?"?
A:
no