[Q]: Sentence: The Great Plains is the broad expanse of flat land (a plain), much of it covered in prairie, steppe and grassland, that lies west of the Mississippi River tallgrass prairie states and east of the Rocky Mountains in the United States and Canada. Question: what is the great plains? OPTIONS:
- yes
- no
++++++++++
[A]: yes

Q: Does "Apple contracted another company, Pixo, to help design and implement the user interface under the direct supervision of Steve Jobs." provide a valid answer to "Which company worked with Apple in creating the user interface for the iPod?"?
OPTIONS:
- yes
- no
A: yes

Problem: Does "In the United States, August Vollmer introduced other reforms, including education requirements for police officers." answer the question "Why did Wilson rotate officers between communities?" OPTIONS:
- yes
- no

A: no

Does the sentence "This suggests that the earliest migrants into the northern extremes of North America and Greenland derived from later migrant populations." provide a valid answer to the question "What do the diversity and distributions of Y lineage specific to South America indicate about certain peoples there?" OPTIONS:
- yes
- no

A: no

Question:
Choose your answer: Is "Developed around 1915, these lamps were displaced by mercury and xenon arc lamps." a good answer to the question "What displaced this style of lamp?" OPTIONS:
- yes
- no
Answer:
yes

[Q]: Sentence: It is a tragic story of undying love much like the later Romeo and Juliet, which was itself said to have been inspired by a Latin version of Layla and Majnun to an extent. Question: Who wrote Shahnameh? OPTIONS:
- yes
- no
++++++++++
[A]:
no