Q: Does "There are approximately ten times as many bacterial cells in the human flora as there are human cells in the body, with the largest number of the human flora being in the gut flora, and a large number on the skin." provide a valid answer to "What keeps bacteria at bay in human body?"?
OPTIONS:
- yes
- no
A: no

Q: Does "However many early history books like the Islamic Conquest of Syria Fatuhusham by al-Imam al-Waqidi state that after the conversion to Islam Muawiyah's father Abu Sufyan ibn Harb and his brothers Yazid ibn Abi Sufyan were appointed as commanders in the Muslim armies by Muhammad." provide a valid answer to "Who was the Byzantine leader at the Battle of Yarmouk?"?
OPTIONS:
- yes
- no
A: no

Q: Does "Native American music in North America is almost entirely monophonic, but there are notable exceptions." provide a valid answer to "What are examples of popular percussive instruments of Native Americans?"?
OPTIONS:
- yes
- no
A: no

Q: Does "An easy way to measure this is by noting the consonant's voice-onset time, as the voicing of a following vowel cannot begin until the vocal cords close." provide a valid answer to "What is created when the vocal folds are spread and do not vibrate?"?
OPTIONS:
- yes
- no
A:
no