question: OPTIONS:
- yes
- no
Drilling with high-speed-steel is simply not feasible since the drill bits will dull quickly and thus tear the copper and ruin the boards.
What property do PCBs have that makes them tough to drill through?

answer: no

[Q]: Sentence: This has the effect of reducing infringement and the burden on courts by simply permitting certain types of uses under terms that the copyright owner considers reasonable. Question: Besides lessening the burden on the courts, what is the effect of this license? OPTIONS:
- yes
- no
++++++++++
[A]: yes

Q: Does "By the end of the 15th century the belief was widely professed and taught in many theological faculties, but such was the influence of the Dominicans, and the weight of the arguments of Thomas Aquinas (who had been canonised in 1323 and declared "Doctor Angelicus" of the Church in 1567) that the Council of Trent (154563)which might have been expected to affirm the doctrineinstead declined to take a position." provide a valid answer to "How did the Holy Roman Church rule on the matter of the festivals ?"?
OPTIONS:
- yes
- no
A: no

Problem: Does "Changes in secondary sex characteristics include every change that is not directly related to sexual reproduction." answer the question "How many Tanner stages are there?" OPTIONS:
- yes
- no

A: no

Does the sentence "In comparison, the 2010 Census Redistricting Data indicated that the racial makeup of the city was 661,839 (43.4%)" provide a valid answer to the question "What is the percent of blacks?" OPTIONS:
- yes
- no

A: yes

Does the sentence "There was exceptional public interest in the two leading presidential candidates and the issues raised by their respective campaigns, as well as in the election process itself."" provide a valid answer to the question "Was this the only occasion the OSCE was invited to preside over a presidential election?" OPTIONS:
- yes
- no

A:
no