Q: Does "Seven of the attackers killed themselves and others by setting off their explosive vests." provide a valid answer to "How did the attackers kill themselves?"?
OPTIONS:
- yes
- no
A: yes

Q: Does "Pliny reports that Hipparchus produced the first systematic star catalog after he observed a new star (it is uncertain whether this was a nova or a comet) and wished to preserve astronomical record of the stars, so that other new stars could be discovered." provide a valid answer to "Who stated that Hipparchus created the first systematic star map?"?
OPTIONS:
- yes
- no
A: yes

Q: Does "Migration is marked by its annual seasonality. Non-migratory birds are said to be resident or sedentary." provide a valid answer to "Why do birds migrate?"?
OPTIONS:
- yes
- no
A: no

Q: Does "The 1815 Congress of Vienna confirmed these changes and the Thuringian states' inclusion in the German Confederation; the Kingdom of Prussia also acquired some Thuringian territory and administered it within the Province of Saxony." provide a valid answer to "When were the mediatisation changes confirmed?"?
OPTIONS:
- yes
- no
A:
yes