Context: Two things happened today in Beijing . First off , incoming journalists were amazed to find China had successfully lifted the brown haze in city . Skies were crystal blue and the air felt noticeably lighter .

Question: Why did the sky appear clearer ?
Options:
0. None of the above choices .
1. The citizens learned to ignore the gloomy skies .
2. The citizens made an effort to cut down on pollution .
3. A large storm had recently passed .
Answer: 2

Question: Why did the sky appear clearer ?
Options:
0. The citizens learned to ignore the gloomy skies .
1. The smog cleared after dangerous chemicals had been removed .
2. None of the above choices .
3. A large storm had recently passed .
Answer: 1

Question: What may happen after the journalists notice the difference in the atmosphere ?
Options:
0. They will wonder how the pollution got so intense .
1. None of the above choices .
2. They will be disgusted at the state of the envorinment .
3. They will write articles on the climate change in Beijing .
Answer: 3

Question: What may happen after the journalists notice the difference in the atmosphere ?
Options:
0. They will inquire as to how the change came about .
1. They will be disgusted at the state of the envorinment .
2. None of the above choices .
3. They will wonder how the pollution got so intense .
Answer: 0