Problem: Does "Zinc oxide is widely used as a white pigment in paints, and as a catalyst in the manufacture of rubber." answer the question "What kind of process is the zinc zinc-oxide cycle?" OPTIONS:
- yes
- no

A: no

Problem: Does "In fact, for cultural, artistic and economic reasons, Palermo was one of the largest cities in the Mediterranean and is now among the top tourist destinations in both Italy and Europe." answer the question "What types of churches attract tourists to Palermo?" OPTIONS:
- yes
- no

A: no

Problem: Does "Some airports have more complicated lighting on the runways including lights that run down the centerline of the runway and lights that help indicate the approach (an approach lighting system, or ALS)." answer the question "What does ALS stand for?" OPTIONS:
- yes
- no

A:
yes