question: OPTIONS:
- yes
- no
On 30 September 1915, troops of the Serbian Army observed three enemy aircraft approaching Kragujevac.
When did Serbian troops notice enemy aircraft approaching Kragujevac?

answer: yes

[Q]: Sentence: In 1995 the National Lottery granted money for a 4.6m sports complex, to add to Eton's existing facilities of two swimming pools, 30 cricket squares, 24 football, rugby and hockey pitches and a gym. Question: Who granted money to Eton for a sports complex in 1995? OPTIONS:
- yes
- no
++++++++++
[A]: yes

Q: Does "Pope John Paul II later reaffirmed and expanded upon Humanae vitae with the encyclical Evangelium vitae." provide a valid answer to "Which pope affirmed Paul VI Humanae Vitae?"?
OPTIONS:
- yes
- no
A: yes

Problem: Does "Louis did not leave a son as heir after his death in 1382." answer the question "How old was Sigismund of Luxemburg when he was named heir?" OPTIONS:
- yes
- no

A: no

Does the sentence "The annual Bookstore Basketball tournament is the largest outdoor five-on-five tournament in the world with over 700 teams participating each year, while the Notre Dame Men's Boxing Club hosts the annual Bengal Bouts tournament that raises money for the Holy Cross Missions in Bangladesh." provide a valid answer to the question "For what cause is money raised at the Bengal Bouts tournament at Notre Dame?" OPTIONS:
- yes
- no

A: yes

Does the sentence "These materials some decades later were also well-suited for further use as the dielectric for the first capacitors." provide a valid answer to the question "What other use did paper capacitors serve in the telecommunications industry?" OPTIONS:
- yes
- no

A:
no