Does "Unlike slaves, retainers could come and go from their master's home as they pleased." contain the correct answer to "Who would retainers in the employ of nobles occasionally have to fight?"
OPTIONS:
- yes
- no

A: no

Does "More recently, scientists have started to focus on measuring changes in brain activity related to sexual arousal, by using brain-scanning techniques." contain the correct answer to "How do scientiest measure brain activity?"
OPTIONS:
- yes
- no

A: yes

Does "His short reign was described by later historians as the first reign of the so-called Southern Ming dynasty." contain the correct answer to "The Hongguang Emperor's reign was thought of as the first reign of what dynasty?"
OPTIONS:
- yes
- no

A:
yes