[Q]: Sentence: A small part of copper supply is used in production of compounds for nutritional supplements and fungicides in agriculture. Question: What percentage of copper is used in industrial machinery? OPTIONS:
- yes
- no
++++++++++
[A]: no

[Q]: Sentence: In 1952, Thomas Watson, Sr., stepped down after almost 40 years at the company helm; his son, Thomas Watson, Jr., was named president. Question: Thomas Watson Sr. stepped down in what year? OPTIONS:
- yes
- no
++++++++++
[A]: yes

[Q]: Sentence: Also in the late 17th century, some discrete Gothic details appeared on new construction at Oxford University and Cambridge University, notably on Tom Tower at Christ Church, Oxford, by Christopher Wren. Question: Who used Gothic details in construction of Tom Tower, Oxford? OPTIONS:
- yes
- no
++++++++++
[A]:
yes