question: OPTIONS:
- yes
- no
The problem was exacerbated because the return current also had a tendency to flow through nearby iron pipes forming the water and gas mains.
How are stray earth currents kept to a manageable levels?

answer: no

[Q]: Sentence: Union Station is further served by four Amtrak lines: the Northeast Regional and the high-speed Acela Express provide service to New York, Washington, D.C. and Boston, and rank as the first and second busiest routes in the country; the New HavenSpringfield Line provides service to Hartford and Springfield, Massachusetts; and the Vermonter provides service to both Washington, D.C., and Vermont, 15 miles (24 km) from the Canadian border. Question: Which transit line out of Union Station provides service between Vermont and Washington D.C.? OPTIONS:
- yes
- no
++++++++++
[A]: yes

Q: Does "With January averaging 67.2 F (19.6 C), winter features mild to warm temperatures; cool air usually settles after the passage of a cold front, which produces much of the little amount of rainfall during the season." provide a valid answer to "In degrees Fahrenheit, what is the normal range of high temperatures in Miami?"?
OPTIONS:
- yes
- no
A: no

Problem: Does "Samurai was a word used by the Kuge aristocratic class with warriors themselves preferring the word bushi." answer the question "What was a bukeyashiki?" OPTIONS:
- yes
- no

A: no

Does the sentence "Another example of batesian mimicry is the io moth, (Automeris io), which has markings on its wings that resemble an owl's eyes." provide a valid answer to the question "A moth that has markings resembling an owl's eyes is an example of what phenomenon?" OPTIONS:
- yes
- no

A: no

Does the sentence "With support from the British abolitionist movement, Parliament enacted the Slave Trade Act in 1807, which abolished the slave trade in the empire." provide a valid answer to the question "Which colony was the official British colony for freed slaves?" OPTIONS:
- yes
- no

A:
no