question: OPTIONS:
- yes
- no
The city uses the strong-mayor version of the mayor-council form of government, which is headed by one mayor, in whom executive authority is vested.
Who is the current mayor?

answer: no

[Q]: Sentence: In this, he went against Descartes' separation of two different kinds of real existence, either exclusively material or else exclusively mental. Question: Whitehead rejected the Cartesian idea in favor of what? OPTIONS:
- yes
- no
++++++++++
[A]: no

Q: Does "Thus, for example, a recent study observed that in 89 marriages contracted by men of the Dhulbahante clan, 55 (62%) were with women of Dhulbahante sub-clans other than those of their husbands; 30 (33.7%) were with women of surrounding clans of other clan families (Isaaq, 28; Hawiye, 3); and 3 (4.3%) were with women of other clans of the Darod clan family (Majerteen 2, Ogaden 1)." provide a valid answer to "According to a recent study, how many Dhulbahante men married women of a different Dhulbahante sub-clan?"?
OPTIONS:
- yes
- no
A: yes

Problem: Does "Because birds migrate between northern and southern regions, the magnetic field strengths at different latitudes let it interpret the radical pair mechanism more accurately and let it know when it has reached its destination." answer the question "What two electromagnetic tools do birds use to find their destinations?" OPTIONS:
- yes
- no

A: no

Does the sentence "In September 2010, Brian May announced in a BBC interview that Sacha Baron Cohen was to play Mercury in a film of the same name." provide a valid answer to the question "Who is writing the Freddie Mercury film?" OPTIONS:
- yes
- no

A: no

Does the sentence "In August 1836, two real estate entrepreneursAugustus Chapman Allen and John Kirby Allenfrom New York, purchased 6,642 acres (26.88 km2) of land along Buffalo Bayou with the intent of founding a city." provide a valid answer to the question "Where were Augustus Chapman Allen and John Kirby Allen from?" OPTIONS:
- yes
- no

A:
yes