Q: Does "Shell Oil Company, its subsidiary in the United States, is one of its largest businesses." provide a valid answer to "What is the name of Shell's subsidiary in the United States?"?
OPTIONS:
- yes
- no
A: yes

Q: Does "H+_3 is one of the most abundant ions in the Universe, and it plays a notable role in the chemistry of the interstellar medium." provide a valid answer to "In what way can Neutral triatomic hydrogen exist?"?
OPTIONS:
- yes
- no
A: no

Q: Does "However, even though they contain mercury, the environmental performance of CFLs is much better than that of light bulbs, mostly because they consume much less energy and therefore strongly reduce the environmental impact of power production." provide a valid answer to "Do CFLs consume more, less, or the same amount of energy as incandescent bulbs?"?
OPTIONS:
- yes
- no
A: yes

Q: Does "Due to this difference in epistemology, the four sub-fields of anthropology have lacked cohesion over the last several decades." provide a valid answer to "What questions came to occupy a central place in cultural and social anthropology?"?
OPTIONS:
- yes
- no
A:
no