[Q]: Sentence: Notwithstanding these technical and commercial successes on the Macintosh platform, their systems remained fairly expensive, making them less competitive in light of the falling costs of components that made IBM PC compatibles cheaper and accelerated their adoption. Question: Who refused to lower the profit margins on Mac computers in 1989? OPTIONS:
- yes
- no
++++++++++
[A]: no

Q: Does "Farmers have tended to oppose DST." provide a valid answer to "What time of day do opponents of daylight savings believe is disrupted the most by the time shift?"?
OPTIONS:
- yes
- no
A: no

Problem: Does "Also, Dil se, another co-ed a cappella from UC Berkeley, hosts the "Anahat" competition at the University of California, Berkeley annually." answer the question "What a capella competition is hosted at UC Berkeley?" OPTIONS:
- yes
- no

A: yes

Does the sentence "By the 10th century all churches (except some on the eastern border of the Byzantine Empire) had adopted the Alexandrian Easter, which still placed the vernal equinox on 21 March, although Bede had already noted its drift in 725it had drifted even further by the 16th century." provide a valid answer to the question "What date placement drifted increasingly off the true date on the calendar?" OPTIONS:
- yes
- no

A: yes

Question:
Choose your answer: Is "As the capital of Massachusetts, Boston plays a major role in state politics." a good answer to the question "As the state capital, Boston plays a large role in what?" OPTIONS:
- yes
- no
Answer:
yes

[Q]: Sentence: For "closed systems" with no external source or sink of energy, the first law of thermodynamics states that a system's energy is constant unless energy is transferred in or out by mechanical work or heat, and that no energy is lost in transfer. Question: What states that the system doing work always loses some energy as waste heat? OPTIONS:
- yes
- no
++++++++++
[A]:
no