Q: Does "In November 2008, 720p HD support was added." provide a valid answer to "When was 720p HD support added to youtube?"?
OPTIONS:
- yes
- no
A: yes

Q: Does "General Lee continued to reject General Grant's surrender suggestion until Sheridan's infantry and cavalry appeared in front of his retreating army on April 8." provide a valid answer to "In what structure did Lee surrender to Grant?"?
OPTIONS:
- yes
- no
A: no

Q: Does "In many non-US western countries a 'fourth hurdle' of cost effectiveness analysis has developed before new technologies can be provided." provide a valid answer to "What threshold must a drug pass before it is approved?"?
OPTIONS:
- yes
- no
A: no

Q: Does "Some bird species have no nests; the cliff-nesting common guillemot lays its eggs on bare rock, and male emperor penguins keep eggs between their body and feet." provide a valid answer to "What type of birds lay its eggs on bare rock?"?
OPTIONS:
- yes
- no
A:
yes