Does "Ehrlich had been awarded a 1908 Nobel Prize for his work on immunology, and pioneered the use of stains to detect and identify bacteria, with his work being the basis of the Gram stain and the ZiehlNeelsen stain." contain the correct answer to "Who based their research on Enrlich's stains works?"

A: yes

Does "The Duchy of Estonia was created out of the northern parts of the country and was a direct dominion of the King of Denmark from 1219 until 1346, when it was sold to the Teutonic Order and became part of the Ordenstaat." contain the correct answer to "Who ruled the southern parts of Estonia?"

A: no

Does "At the turn of the 21st century, a post-punk revival developed in British and American alternative and indie rock, which soon started appearing in other countries, as well." contain the correct answer to "Who were the most commercially successful bands of the post-punk revival?"

A:
no