Does the sentence "The Thuringian duchies which became part of the German Empire in 1871 during the Prussian-led unification of Germany were Saxe-Weimar-Eisenach, Saxe-Meiningen, Saxe-Altenburg, Saxe-Coburg-Gotha, Schwarzburg-Sondershausen, Schwarzburg-Rudolstadt and the two principalities of Reuss Elder Line and Reuss Younger Line." provide a valid answer to the question "Who led the unification of Germany in 1871?"

A: yes

Does the sentence "The meter and film rating system were invented by William Nelson Goodwin, Jr., who worked for them and later received a Howard N. Potts Medal for his contributions to engineering." provide a valid answer to the question "Who devised the Weston film speed ratings?"

A: no

Does the sentence "This outbreak was compounded by Tristan's lack of suitable and sufficient medical supplies." provide a valid answer to the question "what year was a virus induced flu reported?"

A: no

Does the sentence "These hot spots evaporate faster than the rest of the filament, which increases the resistance at that point" provide a valid answer to the question "What is the negative effect of "hot spots" forming on the filament?"

A:
no