question: OPTIONS:
- yes
- no
The major applications of copper are in electrical wires (60%), roofing and plumbing (20%) and industrial machinery (15%).
What percentage of copper is used in electrical wires?

answer: yes

[Q]: Sentence: From his early years, Bell showed a sensitive nature and a talent for art, poetry, and music that was encouraged by his mother. Question: How old was Bell when his mom started to go deaf? OPTIONS:
- yes
- no
++++++++++
[A]: no

Q: Does "In turn the clitellates were divided into oligochaetes, which include earthworms, and hirudinomorphs, whose best-known members are leeches." provide a valid answer to "What subtype of clitellates contains leeches?"?
OPTIONS:
- yes
- no
A: yes

Problem: Does "The Women's inline hockey National Team participated in the 2008 FIRS World Championships." answer the question "Which team participated in the 2008 FIRS World Championship?" OPTIONS:
- yes
- no

A: yes

Does the sentence "Many species of bird migrate." provide a valid answer to the question "Why do birds primarily migrate?" OPTIONS:
- yes
- no

A: no

Does the sentence "Since the late 19th century, most treaties have followed a fairly consistent format." provide a valid answer to the question "What is the beginning of a typical treaty called?" OPTIONS:
- yes
- no

A:
no