question: OPTIONS:
- yes
- no
The grants were in the order of 400,000 USD for their first phase, followed by typically 1-3 million USD for their second phase; many of them investigated resource recovery or processing technologies for excreta or fecal sludge.
What did many investigate

answer: yes

[Q]: Sentence: Forests cover 24 percent of Oklahoma and prairie grasslands composed of shortgrass, mixed-grass, and tallgrass prairie, harbor expansive ecosystems in the state's central and western portions, although cropland has largely replaced native grasses. Question: What types of trees grow near rivers in western Oklahoma? OPTIONS:
- yes
- no
++++++++++
[A]: no

Q: Does "Papua New Guinea has stated that it might join ASEAN, and is currently an observer." provide a valid answer to "Which country is considering joining the Southeast Asian Nations (ASEAN)?"?
OPTIONS:
- yes
- no
A: yes

Problem: Does "Exports were US$13.1 billion, an annual increase of 52.3 percent, while imports were US$8.93 billion, an annual increase of 54.7 percent." answer the question "What was the export level of Sichuan in 2008?" OPTIONS:
- yes
- no

A: yes

Does the sentence "These high-index glasses (inaccurately known as "crystal" when used in glass vessels) cause more chromatic dispersion of light, and are prized for their diamond-like optical properties." provide a valid answer to the question "What are high-index glasses erroneously called?" OPTIONS:
- yes
- no

A: yes

Does the sentence "Christianity was introduced in the middle of the 3rd century AD." provide a valid answer to the question "In what century was Christianity introduced?" OPTIONS:
- yes
- no

A:
yes