Does "In September 1828 Chopin, while still a student, visited Berlin with a family friend, zoologist Feliks Jarocki, enjoying operas directed by Gaspare Spontini and attending concerts by Carl Friedrich Zelter, Felix Mendelssohn and other celebrities." contain the correct answer to "Which opera director did Frederic see works of during his stay in Berlin?"
OPTIONS:
- yes
- no

A: yes

Does "There was a noticeable decline of the infant mortality rate (during the 1970s to the 1980s the infant mortality rate was 101-132/1000 live births, in 2000 the rate was 50-60/1000, and in 2008 it was 28-30/1000)." contain the correct answer to "What direction has infant mortality rate taken?"
OPTIONS:
- yes
- no

A: yes

Does "Nature was widely believed to be unstable and capricious, with monstrous births from union between species, and spontaneous generation of life." contain the correct answer to "What kind of births did the Christian Church fathers believe occurred in nature?"
OPTIONS:
- yes
- no

A:
yes