Q: Does "So to extend ties of alliance, marriage is often to another ethnic Somali from a different clan." provide a valid answer to "According to a recent study, how many men of the Dhulbahante clan married women from the Hawiye clan?"?
OPTIONS:
- yes
- no
A: no

Q: Does "Many species of bird migrate." provide a valid answer to "Which birds migrate?"?
OPTIONS:
- yes
- no
A: yes

Q: Does "As a result, patents required to implement MP3 expired in most countries by December 2012, 21 years after the publication of ISO CD 11172." provide a valid answer to "When can patents not be filed in most countries?"?
OPTIONS:
- yes
- no
A: no

Q: Does "The definition of the port of Southampton was apparently broader than today and embraced all of the area between Lymington and Langstone." provide a valid answer to "What date was the charter regarding Southampton's tax farm signed at Orival?"?
OPTIONS:
- yes
- no
A:
no