Q: Does "Other composers of the Austro-German tradition who achieved international fame include Brahms, Wagner, Haydn, Schubert, Handel, Schumann, Liszt, Mendelssohn Bartholdy, Johann Strauss II, Bruckner, Mahler, Telemann, Richard Strauss, Schoenberg, Orff, and most recently, Henze, Lachenmann, and Stockhausen." provide a valid answer to "Who marked the switch from classical to romantic eras in classical music?"?
A: no

Q: Does "Later, Norman Heatley developed the back extraction technique for efficiently purifying penicillin in bulk." provide a valid answer to "Who came up with a way to quickly produce penicillin?"?
A: yes

Q: Does "In the Western world, ducks are not as popular as chickens, because the latter produce larger quantities of white, lean meat and are easier to keep intensively, making the price of chicken meat lower than that of duck meat." provide a valid answer to "Why is duck more common than other poultry in the east society ??"?
A: no

Q: Does "The show had originally planned on having four judges following the Pop Idol format; however, only three judges had been found by the time of the audition round in the first season, namely Randy Jackson, Paula Abdul and Simon Cowell." provide a valid answer to "When did American Idol change to a four-judge panel?"?
A:
no