Problem: Does "Both men later became full associates in the Volta Laboratory Association." answer the question "What did Bell's cord-free phone use to transmit messages?" OPTIONS:
- yes
- no

A: no

Problem: Does "As a result, patents required to implement MP3 expired in most countries by December 2012, 21 years after the publication of ISO CD 11172." answer the question "When did patents required to implement MP3 expire in most countries?" OPTIONS:
- yes
- no

A: yes

Problem: Does "Since 2009, the Tucson Festival of Books has been held annually over a two-day period in March at the University of Arizona." answer the question "How many people came to the Tucson Festival of Books in 2010?" OPTIONS:
- yes
- no

A:
no