[Q]: Sentence: Small amounts of substances such as zirconium are placed within the lamp as a getter to react with any oxygen that may bake out of the lamp components during operation. Question: How much water is necessary to result in this darkening affect?
++++++++++
[A]: no

[Q]: Sentence: The library system participates with 15 other universities in digitizing its collections as a part of the Google Book Search project. Question: How many libraries are on the Evanston campus?
++++++++++
[A]: no

[Q]: Sentence: The Xeer legal system is assumed to have developed exclusively in the Horn of Africa since approximately the 7th century. Question: In what century did the Xeer system begin?
++++++++++
[A]:
yes