Problem:OPTIONS:
- giant
- larger
- medium
- smaller

Q: What size of ring will a summer drought cause in a tree? A:
****
A: smaller

Q: What element, which often forms polymers, has a unique ability to form covalent bonds with many other atoms? A:
OPTIONS:
- iron
- hydrogen
- oxygen
- carbon
carbon

Q: Insects can have specialized mouthparts, such as a proboscis, to siphon the nectar from what? A:
OPTIONS:
- stems
- shrubs
- fruits
- flowers

Answer: flowers

Question: Q: Where does most geologic activity take place? A:
OPTIONS:
- outer core
- asthenosphere
- inner core
- plate boundaries
Answer: plate boundaries

input with options: Q: What is the best-known geyser in the world that also faithfully erupts every 90 minutes? A:
OPTIONS:
- devil's tongue
- angel falls
- old guy
- old faithful
output: old faithful

Problem: OPTIONS:
- ground pollutants
- water pollutants
- ocean pollutants
- air pollutants
Q: Q: Deterioration of limestone occurs more rapidly as the concentration of what increases? A:
Answer:
air pollutants