Question: The grid cells are aggregated to estimate the health impact of the change in air quality across the study region.
The change in air quality is aggregated by the grid cells.
OPTIONS:
- yes
- it is not possible to tell
- no

Answer: yes

Question: 'It can't be done.
It's impossible.
OPTIONS:
- yes
- it is not possible to tell
- no

Answer: yes

Question: In addition, after nearly 30 years of budget deficits, the combination of hard choices and remarkable economic growth has led to budget surpluses.
The budget has had a deficit for decades.
OPTIONS:
- yes
- it is not possible to tell
- no

Answer:
yes