QUES: Q: What sort of LEDs are becoming more available on the market?
A: Near-UV emitters at wavelengths around 375395 nm are already cheap and often encountered, for example, as black light lamp replacements for inspection of anti-counterfeiting UV watermarks in some documents and paper currencies.
Does the answer answer the question? OPTIONS:
- yes
- no

ANS: no

Does "Such predators are known as keystone species and may have a profound influence on the balance of organisms in a particular ecosystem." contain the correct answer to "What changes to a keystone predator can seriously affect an ecosystem's equilibrium?"
OPTIONS:
- yes
- no

A: no

question: OPTIONS:
- yes
- no
The hearings covered a wide range of policy issues, including advertising abuses, questionable efficacy of drugs, and the need for greater regulation of the industry.
What were the major issues that needed to be addressed?

answer: yes

[Q]: Sentence: BYU mandates that its students who are members of the LDS Church be religiously active. Question: Who are both LDS and Non-LDS students required to provide an endorsement from upon submitting their application? OPTIONS:
- yes
- no
++++++++++
[A]: no

Q: Does "This signal was fed into an audio amplifier, and played back by a loudspeaker." provide a valid answer to "What final device was needed to hear the signal from the initial GaAs diode?"?
OPTIONS:
- yes
- no
A: yes

Q: Does "The British pilot became a King's Messenger after the war, and died at the age of 90 in 2005." provide a valid answer to "When did Holmes die?"?
OPTIONS:
- yes
- no
A:
yes