input: OPTIONS:
- leeches
- seeds
- toxins
- currents
- bacteria
- substances
- Roundworms
- plants Now, answer this question: Fact 1: Treating water is used to remove harmful substances before drinking. Fact 2: To ensure that it is safe to drink water, treat it all the time. Given the two facts above, to ensure that water is safe to drink, harmful what are removed before drinking?
A:
output: substances

input: OPTIONS:
- Winter
- during the day
- Exfoliation
- every season
- on random occasion
- seasonally
- When it's cold
- in no seasons Now, answer this question: Fact 1: Plants that shed their leaves seasonally each year are called deciduous plants. Fact 2: Grapevines are woody deciduous plants. Given the two facts above, grapevines are plants that shed their leaves?
A:
output: seasonally

input: OPTIONS:
- Most plants
- whales
- the Sun
- decomposers
- swamp vegetation
- shrub beds
- phytoplankton
- fossil fuels Now, answer this question: Fact 1: Earthworms are important deposit feeders that help form and enrich soil. Fact 2: Earthworms are perhaps the most familiar decomposer. Given the two facts above, what can help form and enrich soil?
A:
output:
decomposers