[Q]: Sentence: The Han-era Chinese sailed in a variety of ships differing from those of previous eras, such as the tower ship. Question: In what areas were Han ships able to be sailed in part due to the stern rudder? OPTIONS:
- yes
- no
++++++++++
[A]: no

Q: Does "The Criminal Justice Information Services (CJIS) Division, is located in Clarksburg, West Virginia." provide a valid answer to "Where is the CJIS located?"?
OPTIONS:
- yes
- no
A: yes

Problem: Does "Upon drying, wood shrinks and its density increases." answer the question "When wood dries and shrinks, what happens to its density?" OPTIONS:
- yes
- no

A: yes

Does the sentence "It is run by the London Fire and Emergency Planning Authority and is the third largest fire service in the world." provide a valid answer to the question "Who oversees and manages the London Fire Brigade?" OPTIONS:
- yes
- no

A: yes

Question:
Choose your answer: Is "The Kakatiya dynasty was reduced to a vassal of the Khilji dynasty in 1310 after its defeat by Sultan Alauddin Khilji of the Delhi Sultanate." a good answer to the question "When was the Behmani Sultanate established?" OPTIONS:
- yes
- no
Answer:
no

[Q]: Sentence: United States President Barack Obama and key advisers introduced a series of regulatory proposals in June 2009. Question: What was introduced by President Barack Obama in June 2009? OPTIONS:
- yes
- no
++++++++++
[A]:
yes