input: OPTIONS:
- H20
- carbon monoxide
- CO2
- vinegar
- rain
- O2
- sunlight
- h2o Now, answer this question: You are presented with the quiz "what is a cactus stem used for storing?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "acactus stem is used for storing water" and "water is made up of H2O molecules". So, what's the best answer to the question?
A:
output: h2o
You are presented with the quiz "What is an example of something that pathogens cause?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "pathogens can cause disease" and "measles is a disease caused by the measles virus". So, what's the best answer to the question?

OPTIONS:
- influenza
- Measles
- bacteria
- smallpox
- Broken leg
- viruses
- Concussion
- Forgetfulness

Answer: Measles
Problem: OPTIONS:
- Decrease bodily water
- humans disturb it
- drying out
- flooding
- contamination
- deforestation
- chemical changes
- Water pollution
Q: You are presented with the quiz "What is one consequence of soil loss?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "soil erosion means soil loss through wind" and "soil erosion is one of the leading causes of water pollution in the United States". So, what's the best answer to the question?
Answer: Water pollution
Problem:OPTIONS:
- under the sea
- outer space
- complex
- protected
- arctic
- fur seals
- Summer
- africa

You are presented with the quiz "where are there social groups called prides?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "lions live in social groups called prides" and "lions live in Africa". So, what's the best answer to the question?
****
A: africa
You are presented with the quiz "What is formed when sediments push down on green plants?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "oil is formed by layers of sediment pushing down on decomposing algae" and "algae Algae Green algae are the simplest of green plants". So, what's the best answer to the question?
OPTIONS:
- water
- moss
- tar
- dirt
- Urea
- coal
- oil
- grass
oil
You are presented with the quiz "What is made from cell walls?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "plants use cellulose for their cell walls" and "basically, fiber is cellulose ". So, what's the best answer to the question?
OPTIONS:
- water
- blood
- cells
- sugar
- a path
- fiber
- moss
- Carbon

Answer:
fiber