Problem: Does "Birds have various adaptations for flight, including a lightweight skeleton, two large flight muscles, the pectoralis (which accounts for 15% of the total mass of the bird) and the supracoracoideus, as well as a modified forelimb (wing) that serves as an aerofoil." answer the question "Pectoralis account for what percentage of total mass of a bird?"

A: yes

Problem: Does "In 1808, Napoleon and Czar Alexander met at the Congress of Erfurt to preserve the Russo-French alliance." answer the question "In what year did the Congress of Erfurt take place?"

A: yes

Problem: Does "Other Austronesian languages, such as traditional Malay and modern Indonesian, also derive much of their vocabulary from Sanskrit, albeit to a lesser extent, with a larger proportion derived from Arabic." answer the question "What is an example of a traditional language that derives much of its vocabulary from Sanskrit?"

A:
yes