question: OPTIONS:
- yes
- no
The Xiongnu, a nomadic steppe confederation, defeated the Han in 200 BC and forced the Han to submit as a de facto inferior partner, but continued their raids on the Han borders.
Which confederation conquered the territories north of the Han's border?

answer: no

[Q]: Sentence: May. Teams play 38 matches each (playing each team in the league twice, home and away), totalling 380 matches in the season. Question: How many matches does each team play? OPTIONS:
- yes
- no
++++++++++
[A]: yes

Q: Does "It is a standardised dialect of Old Indo-Aryan, originating as Vedic Sanskrit and tracing its linguistic ancestry back to Proto-Indo-Iranian and Proto-Indo-European." provide a valid answer to "Sanskrit is a standardized dialect of which language?"?
OPTIONS:
- yes
- no
A: yes

Problem: Does "Hospira, the only U.S. manufacturer of sodium thiopental, stopped making the drug in 2011." answer the question "Up until 2011, who manufactured sodium thiopental?" OPTIONS:
- yes
- no

A: yes

Does the sentence "USN&WR also ranked several programs in the top 25 among U.S. universities." provide a valid answer to the question "In what tier did a number of KU's programs rank in 2016?" OPTIONS:
- yes
- no

A: yes

Does the sentence "After the Empire lost the Balkan Wars (191213), it lost all its Balkan territories except East Thrace (European Turkey)." provide a valid answer to the question "What was the sole territory that the empire kept in the Balkans after 1913?" OPTIONS:
- yes
- no

A:
yes